/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 16:36:08,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 16:36:08,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 16:36:08,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 16:36:08,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 16:36:08,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 16:36:08,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 16:36:08,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 16:36:08,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 16:36:08,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 16:36:08,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 16:36:08,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 16:36:08,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 16:36:08,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 16:36:08,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 16:36:08,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 16:36:08,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 16:36:08,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 16:36:08,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 16:36:08,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 16:36:08,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 16:36:08,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 16:36:08,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 16:36:08,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 16:36:08,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 16:36:08,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 16:36:08,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 16:36:08,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 16:36:08,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 16:36:08,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 16:36:08,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 16:36:08,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 16:36:08,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 16:36:08,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 16:36:08,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 16:36:08,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 16:36:08,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 16:36:08,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 16:36:08,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 16:36:08,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 16:36:08,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 16:36:08,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 16:36:08,652 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 16:36:08,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 16:36:08,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 16:36:08,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 16:36:08,657 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 16:36:08,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 16:36:08,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 16:36:08,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 16:36:08,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 16:36:08,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 16:36:08,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 16:36:08,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 16:36:08,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 16:36:08,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 16:36:08,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 16:36:08,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 16:36:08,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 16:36:08,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 16:36:08,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 16:36:08,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 16:36:08,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 16:36:08,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 16:36:08,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 16:36:08,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 16:36:08,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 16:36:08,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 16:36:08,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 16:36:08,662 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 16:36:08,662 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 16:36:08,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 16:36:08,662 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 16:36:08,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 16:36:09,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 16:36:09,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 16:36:09,026 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 16:36:09,027 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 16:36:09,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2021-03-26 16:36:09,029 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2021-03-26 16:36:09,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 16:36:09,066 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 16:36:09,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 16:36:09,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 16:36:09,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 16:36:09,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/1) ... [2021-03-26 16:36:09,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/1) ... [2021-03-26 16:36:09,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 16:36:09,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 16:36:09,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 16:36:09,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 16:36:09,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/1) ... [2021-03-26 16:36:09,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/1) ... [2021-03-26 16:36:09,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/1) ... [2021-03-26 16:36:09,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/1) ... [2021-03-26 16:36:09,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/1) ... [2021-03-26 16:36:09,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/1) ... [2021-03-26 16:36:09,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/1) ... [2021-03-26 16:36:09,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 16:36:09,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 16:36:09,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 16:36:09,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 16:36:09,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 16:36:09,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 16:36:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 16:36:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 16:36:09,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 16:36:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 16:36:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 16:36:09,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 16:36:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 16:36:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 16:36:09,189 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 16:36:09,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 16:36:09,454 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 16:36:09,456 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 04:36:09 BoogieIcfgContainer [2021-03-26 16:36:09,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 16:36:09,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 16:36:09,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 16:36:09,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 16:36:09,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 04:36:09" (1/2) ... [2021-03-26 16:36:09,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1ad52d and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 04:36:09, skipping insertion in model container [2021-03-26 16:36:09,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 04:36:09" (2/2) ... [2021-03-26 16:36:09,476 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-03-26 16:36:09,481 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 16:36:09,484 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 16:36:09,485 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 16:36:09,556 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-26 16:36:09,571 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-26 16:36:09,604 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 16:36:09,604 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 16:36:09,605 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 16:36:09,605 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 16:36:09,605 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 16:36:09,605 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 16:36:09,605 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 16:36:09,605 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 16:36:09,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 24 transitions, 64 flow [2021-03-26 16:36:09,656 INFO L129 PetriNetUnfolder]: 2/22 cut-off events. [2021-03-26 16:36:09,657 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 16:36:09,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 22 events. 2/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 19 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2021-03-26 16:36:09,661 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 24 transitions, 64 flow [2021-03-26 16:36:09,668 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 20 transitions, 52 flow [2021-03-26 16:36:09,669 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:09,686 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 20 transitions, 52 flow [2021-03-26 16:36:09,693 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 20 transitions, 52 flow [2021-03-26 16:36:09,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 20 transitions, 52 flow [2021-03-26 16:36:09,710 INFO L129 PetriNetUnfolder]: 2/20 cut-off events. [2021-03-26 16:36:09,710 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 16:36:09,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 20 events. 2/20 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2021-03-26 16:36:09,712 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-26 16:36:09,922 INFO L154 LiptonReduction]: Checked pairs total: 93 [2021-03-26 16:36:09,922 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 16:36:09,924 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 256 [2021-03-26 16:36:09,944 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-03-26 16:36:09,944 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 16:36:09,944 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:09,945 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:09,945 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:09,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:09,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1756639493, now seen corresponding path program 1 times [2021-03-26 16:36:09,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:09,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857865592] [2021-03-26 16:36:09,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:10,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 16:36:10,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:10,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:10,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857865592] [2021-03-26 16:36:10,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 16:36:10,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 16:36:10,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484547611] [2021-03-26 16:36:10,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 16:36:10,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:10,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 16:36:10,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 16:36:10,071 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 31 [2021-03-26 16:36:10,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 13 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:10,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 31 [2021-03-26 16:36:10,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:10,110 INFO L129 PetriNetUnfolder]: 11/37 cut-off events. [2021-03-26 16:36:10,111 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 16:36:10,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 37 events. 11/37 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 85 event pairs, 3 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 51. Up to 15 conditions per place. [2021-03-26 16:36:10,114 INFO L132 encePairwiseOnDemand]: 28/31 looper letters, 6 selfloop transitions, 2 changer transitions 0/16 dead transitions. [2021-03-26 16:36:10,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 16 transitions, 60 flow [2021-03-26 16:36:10,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 16:36:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 16:36:10,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 66 transitions. [2021-03-26 16:36:10,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7096774193548387 [2021-03-26 16:36:10,125 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 66 transitions. [2021-03-26 16:36:10,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 66 transitions. [2021-03-26 16:36:10,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:10,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 66 transitions. [2021-03-26 16:36:10,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,133 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,134 INFO L185 Difference]: Start difference. First operand has 18 places, 13 transitions, 38 flow. Second operand 3 states and 66 transitions. [2021-03-26 16:36:10,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 16 transitions, 60 flow [2021-03-26 16:36:10,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 16 transitions, 52 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 16:36:10,138 INFO L241 Difference]: Finished difference. Result has 17 places, 14 transitions, 42 flow [2021-03-26 16:36:10,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=17, PETRI_TRANSITIONS=14} [2021-03-26 16:36:10,141 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, -1 predicate places. [2021-03-26 16:36:10,141 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:10,141 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 17 places, 14 transitions, 42 flow [2021-03-26 16:36:10,141 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 17 places, 14 transitions, 42 flow [2021-03-26 16:36:10,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 17 places, 14 transitions, 42 flow [2021-03-26 16:36:10,145 INFO L129 PetriNetUnfolder]: 2/15 cut-off events. [2021-03-26 16:36:10,145 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 16:36:10,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 15 events. 2/15 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 16 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 14. Up to 4 conditions per place. [2021-03-26 16:36:10,146 INFO L142 LiptonReduction]: Number of co-enabled transitions 48 [2021-03-26 16:36:10,154 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 16:36:10,154 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:10,154 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 16:36:10,155 INFO L480 AbstractCegarLoop]: Abstraction has has 17 places, 14 transitions, 42 flow [2021-03-26 16:36:10,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,156 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:10,156 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:10,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 16:36:10,156 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:10,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:10,157 INFO L82 PathProgramCache]: Analyzing trace with hash 709039807, now seen corresponding path program 1 times [2021-03-26 16:36:10,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:10,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400004607] [2021-03-26 16:36:10,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:10,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 16:36:10,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:36:10,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400004607] [2021-03-26 16:36:10,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 16:36:10,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 16:36:10,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201591972] [2021-03-26 16:36:10,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 16:36:10,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:10,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 16:36:10,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 16:36:10,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 31 [2021-03-26 16:36:10,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 14 transitions, 42 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:10,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 31 [2021-03-26 16:36:10,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:10,203 INFO L129 PetriNetUnfolder]: 13/38 cut-off events. [2021-03-26 16:36:10,204 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 16:36:10,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 38 events. 13/38 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 3 based on Foata normal form. 2/35 useless extension candidates. Maximal degree in co-relation 64. Up to 15 conditions per place. [2021-03-26 16:36:10,204 INFO L132 encePairwiseOnDemand]: 26/31 looper letters, 5 selfloop transitions, 3 changer transitions 0/16 dead transitions. [2021-03-26 16:36:10,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 16 transitions, 62 flow [2021-03-26 16:36:10,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 16:36:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 16:36:10,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2021-03-26 16:36:10,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6559139784946236 [2021-03-26 16:36:10,206 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 61 transitions. [2021-03-26 16:36:10,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 61 transitions. [2021-03-26 16:36:10,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:10,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 61 transitions. [2021-03-26 16:36:10,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,208 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,208 INFO L185 Difference]: Start difference. First operand has 17 places, 14 transitions, 42 flow. Second operand 3 states and 61 transitions. [2021-03-26 16:36:10,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 16 transitions, 62 flow [2021-03-26 16:36:10,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 16 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 16:36:10,210 INFO L241 Difference]: Finished difference. Result has 19 places, 15 transitions, 58 flow [2021-03-26 16:36:10,210 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=19, PETRI_TRANSITIONS=15} [2021-03-26 16:36:10,210 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 1 predicate places. [2021-03-26 16:36:10,211 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:10,211 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 19 places, 15 transitions, 58 flow [2021-03-26 16:36:10,211 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 19 places, 15 transitions, 58 flow [2021-03-26 16:36:10,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 19 places, 15 transitions, 58 flow [2021-03-26 16:36:10,215 INFO L129 PetriNetUnfolder]: 4/21 cut-off events. [2021-03-26 16:36:10,216 INFO L130 PetriNetUnfolder]: For 5/7 co-relation queries the response was YES. [2021-03-26 16:36:10,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 21 events. 4/21 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 16 event pairs, 1 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 19. Up to 7 conditions per place. [2021-03-26 16:36:10,216 INFO L142 LiptonReduction]: Number of co-enabled transitions 44 [2021-03-26 16:36:10,217 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:10,218 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:10,218 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 16:36:10,219 INFO L480 AbstractCegarLoop]: Abstraction has has 19 places, 15 transitions, 58 flow [2021-03-26 16:36:10,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:10,219 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:10,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 16:36:10,220 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:10,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:10,220 INFO L82 PathProgramCache]: Analyzing trace with hash -2072264959, now seen corresponding path program 1 times [2021-03-26 16:36:10,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:10,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577786601] [2021-03-26 16:36:10,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:10,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:10,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:10,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:10,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:36:10,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577786601] [2021-03-26 16:36:10,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 16:36:10,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 16:36:10,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641605706] [2021-03-26 16:36:10,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 16:36:10,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:10,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 16:36:10,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 16:36:10,257 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 31 [2021-03-26 16:36:10,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:10,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 31 [2021-03-26 16:36:10,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:10,283 INFO L129 PetriNetUnfolder]: 15/56 cut-off events. [2021-03-26 16:36:10,284 INFO L130 PetriNetUnfolder]: For 27/29 co-relation queries the response was YES. [2021-03-26 16:36:10,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 56 events. 15/56 cut-off events. For 27/29 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 139 event pairs, 2 based on Foata normal form. 5/59 useless extension candidates. Maximal degree in co-relation 38. Up to 17 conditions per place. [2021-03-26 16:36:10,285 INFO L132 encePairwiseOnDemand]: 27/31 looper letters, 7 selfloop transitions, 6 changer transitions 0/22 dead transitions. [2021-03-26 16:36:10,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 22 transitions, 104 flow [2021-03-26 16:36:10,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 16:36:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 16:36:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2021-03-26 16:36:10,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.717741935483871 [2021-03-26 16:36:10,287 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 89 transitions. [2021-03-26 16:36:10,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 89 transitions. [2021-03-26 16:36:10,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:10,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 89 transitions. [2021-03-26 16:36:10,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,289 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,289 INFO L185 Difference]: Start difference. First operand has 19 places, 15 transitions, 58 flow. Second operand 4 states and 89 transitions. [2021-03-26 16:36:10,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 22 transitions, 104 flow [2021-03-26 16:36:10,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 22 transitions, 98 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 16:36:10,291 INFO L241 Difference]: Finished difference. Result has 22 places, 19 transitions, 95 flow [2021-03-26 16:36:10,291 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=95, PETRI_PLACES=22, PETRI_TRANSITIONS=19} [2021-03-26 16:36:10,291 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 4 predicate places. [2021-03-26 16:36:10,291 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:10,292 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 19 transitions, 95 flow [2021-03-26 16:36:10,292 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 19 transitions, 95 flow [2021-03-26 16:36:10,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 19 transitions, 95 flow [2021-03-26 16:36:10,298 INFO L129 PetriNetUnfolder]: 8/36 cut-off events. [2021-03-26 16:36:10,298 INFO L130 PetriNetUnfolder]: For 22/24 co-relation queries the response was YES. [2021-03-26 16:36:10,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 36 events. 8/36 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 62 event pairs, 1 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 35. Up to 12 conditions per place. [2021-03-26 16:36:10,299 INFO L142 LiptonReduction]: Number of co-enabled transitions 56 [2021-03-26 16:36:10,300 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:10,300 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:10,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 16:36:10,301 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 95 flow [2021-03-26 16:36:10,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:10,302 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:10,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 16:36:10,302 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:10,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:10,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1252516189, now seen corresponding path program 2 times [2021-03-26 16:36:10,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:10,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143417292] [2021-03-26 16:36:10,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:10,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 16:36:10,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:10,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:10,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:36:10,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143417292] [2021-03-26 16:36:10,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 16:36:10,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 16:36:10,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121905995] [2021-03-26 16:36:10,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 16:36:10,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:10,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 16:36:10,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 16:36:10,341 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 31 [2021-03-26 16:36:10,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 95 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:10,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 31 [2021-03-26 16:36:10,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:10,373 INFO L129 PetriNetUnfolder]: 17/55 cut-off events. [2021-03-26 16:36:10,375 INFO L130 PetriNetUnfolder]: For 79/94 co-relation queries the response was YES. [2021-03-26 16:36:10,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 55 events. 17/55 cut-off events. For 79/94 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 123 event pairs, 2 based on Foata normal form. 6/52 useless extension candidates. Maximal degree in co-relation 59. Up to 21 conditions per place. [2021-03-26 16:36:10,377 INFO L132 encePairwiseOnDemand]: 27/31 looper letters, 7 selfloop transitions, 7 changer transitions 0/23 dead transitions. [2021-03-26 16:36:10,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 23 transitions, 141 flow [2021-03-26 16:36:10,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 16:36:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 16:36:10,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2021-03-26 16:36:10,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6854838709677419 [2021-03-26 16:36:10,384 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 85 transitions. [2021-03-26 16:36:10,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 85 transitions. [2021-03-26 16:36:10,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:10,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 85 transitions. [2021-03-26 16:36:10,385 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) [2021-03-26 16:36:10,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,386 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,386 INFO L185 Difference]: Start difference. First operand has 22 places, 19 transitions, 95 flow. Second operand 4 states and 85 transitions. [2021-03-26 16:36:10,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 23 transitions, 141 flow [2021-03-26 16:36:10,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 23 transitions, 141 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 16:36:10,388 INFO L241 Difference]: Finished difference. Result has 27 places, 22 transitions, 146 flow [2021-03-26 16:36:10,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=146, PETRI_PLACES=27, PETRI_TRANSITIONS=22} [2021-03-26 16:36:10,389 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 9 predicate places. [2021-03-26 16:36:10,389 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:10,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 22 transitions, 146 flow [2021-03-26 16:36:10,389 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 22 transitions, 146 flow [2021-03-26 16:36:10,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 22 transitions, 146 flow [2021-03-26 16:36:10,395 INFO L129 PetriNetUnfolder]: 10/45 cut-off events. [2021-03-26 16:36:10,396 INFO L130 PetriNetUnfolder]: For 62/70 co-relation queries the response was YES. [2021-03-26 16:36:10,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 45 events. 10/45 cut-off events. For 62/70 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 82 event pairs, 1 based on Foata normal form. 5/45 useless extension candidates. Maximal degree in co-relation 49. Up to 14 conditions per place. [2021-03-26 16:36:10,397 INFO L142 LiptonReduction]: Number of co-enabled transitions 66 [2021-03-26 16:36:10,398 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-26 16:36:10,399 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:10,399 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 16:36:10,400 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 22 transitions, 146 flow [2021-03-26 16:36:10,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,400 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:10,400 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:10,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 16:36:10,400 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:10,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:10,401 INFO L82 PathProgramCache]: Analyzing trace with hash -924673543, now seen corresponding path program 3 times [2021-03-26 16:36:10,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:10,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919391704] [2021-03-26 16:36:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:10,453 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:10,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:10,466 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-26 16:36:10,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,482 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 16:36:10,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:10,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,507 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 16:36:10,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:10,539 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 16:36:10,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:10,563 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:10,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:10,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919391704] [2021-03-26 16:36:10,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195093471] [2021-03-26 16:36:10,596 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 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:10,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-26 16:36:10,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:10,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-26 16:36:10,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:10,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,672 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:10,687 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 16:36:10,689 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 16:36:10,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:10,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:10,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:10,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:10,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:10,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:10,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:10,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:10,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:10,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:10,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:10,790 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:10,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:10,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:10,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:10,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:10,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:10,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:10,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,810 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:10,811 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:10,814 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:10,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:10,846 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:10,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:10,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:10,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:10,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:10,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:10,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:10,881 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:10,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:10,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:10,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:10,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:10,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:10,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:10,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:10,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-26 16:36:10,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519596327] [2021-03-26 16:36:10,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-26 16:36:10,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:10,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-26 16:36:10,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-03-26 16:36:10,924 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 31 [2021-03-26 16:36:10,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 22 transitions, 146 flow. Second operand has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:10,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:10,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 31 [2021-03-26 16:36:10,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:11,326 INFO L129 PetriNetUnfolder]: 133/296 cut-off events. [2021-03-26 16:36:11,326 INFO L130 PetriNetUnfolder]: For 545/545 co-relation queries the response was YES. [2021-03-26 16:36:11,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 296 events. 133/296 cut-off events. For 545/545 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1251 event pairs, 8 based on Foata normal form. 4/272 useless extension candidates. Maximal degree in co-relation 548. Up to 100 conditions per place. [2021-03-26 16:36:11,332 INFO L132 encePairwiseOnDemand]: 24/31 looper letters, 40 selfloop transitions, 39 changer transitions 12/95 dead transitions. [2021-03-26 16:36:11,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 95 transitions, 778 flow [2021-03-26 16:36:11,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 16:36:11,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 16:36:11,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 241 transitions. [2021-03-26 16:36:11,336 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4573055028462998 [2021-03-26 16:36:11,337 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 241 transitions. [2021-03-26 16:36:11,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 241 transitions. [2021-03-26 16:36:11,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:11,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 241 transitions. [2021-03-26 16:36:11,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 14.176470588235293) internal successors, (241), 17 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:11,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 31.0) internal successors, (558), 18 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:11,342 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 31.0) internal successors, (558), 18 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:11,342 INFO L185 Difference]: Start difference. First operand has 27 places, 22 transitions, 146 flow. Second operand 17 states and 241 transitions. [2021-03-26 16:36:11,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 95 transitions, 778 flow [2021-03-26 16:36:11,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 95 transitions, 761 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 16:36:11,350 INFO L241 Difference]: Finished difference. Result has 48 places, 59 transitions, 563 flow [2021-03-26 16:36:11,351 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=563, PETRI_PLACES=48, PETRI_TRANSITIONS=59} [2021-03-26 16:36:11,351 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 30 predicate places. [2021-03-26 16:36:11,351 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:11,351 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 59 transitions, 563 flow [2021-03-26 16:36:11,352 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 59 transitions, 563 flow [2021-03-26 16:36:11,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 59 transitions, 563 flow [2021-03-26 16:36:11,371 INFO L129 PetriNetUnfolder]: 53/143 cut-off events. [2021-03-26 16:36:11,371 INFO L130 PetriNetUnfolder]: For 684/691 co-relation queries the response was YES. [2021-03-26 16:36:11,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 143 events. 53/143 cut-off events. For 684/691 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 561 event pairs, 1 based on Foata normal form. 3/144 useless extension candidates. Maximal degree in co-relation 572. Up to 53 conditions per place. [2021-03-26 16:36:11,374 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-26 16:36:11,442 INFO L154 LiptonReduction]: Checked pairs total: 148 [2021-03-26 16:36:11,443 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:36:11,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-03-26 16:36:11,445 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 59 transitions, 570 flow [2021-03-26 16:36:11,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:11,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:11,445 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:11,652 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:11,652 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:11,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:11,652 INFO L82 PathProgramCache]: Analyzing trace with hash -207826029, now seen corresponding path program 4 times [2021-03-26 16:36:11,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:11,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676000515] [2021-03-26 16:36:11,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:11,716 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:11,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:11,730 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-26 16:36:11,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:11,747 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-26 16:36:11,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:11,765 INFO L142 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size [2021-03-26 16:36:11,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 16:36:11,802 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-26 16:36:11,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:11,823 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:36:11,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,842 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:11,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:11,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676000515] [2021-03-26 16:36:11,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025146586] [2021-03-26 16:36:11,855 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:11,875 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 16:36:11,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:11,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 16:36:11,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:11,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,921 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:11,922 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:36:11,923 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:36:11,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:11,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:11,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:11,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:11,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:11,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:11,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:11,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:11,976 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:11,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:11,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:11,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:11,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:11,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:11,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:11,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,991 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:11,992 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:11,993 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:11,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:11,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:12,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:12,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:12,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:12,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:12,058 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:12,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:12,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:12,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:12,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:12,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:12,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:12,085 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:12,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:12,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:12,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:12,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:12,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:12,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:12,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-26 16:36:12,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244076703] [2021-03-26 16:36:12,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-26 16:36:12,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:12,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-26 16:36:12,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-03-26 16:36:12,121 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-26 16:36:12,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 59 transitions, 570 flow. Second operand has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:12,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:12,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-26 16:36:12,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:12,406 INFO L129 PetriNetUnfolder]: 169/368 cut-off events. [2021-03-26 16:36:12,406 INFO L130 PetriNetUnfolder]: For 1438/1438 co-relation queries the response was YES. [2021-03-26 16:36:12,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1646 conditions, 368 events. 169/368 cut-off events. For 1438/1438 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1686 event pairs, 18 based on Foata normal form. 4/372 useless extension candidates. Maximal degree in co-relation 1623. Up to 201 conditions per place. [2021-03-26 16:36:12,410 INFO L132 encePairwiseOnDemand]: 23/32 looper letters, 60 selfloop transitions, 41 changer transitions 16/121 dead transitions. [2021-03-26 16:36:12,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 121 transitions, 1280 flow [2021-03-26 16:36:12,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 16:36:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 16:36:12,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 242 transitions. [2021-03-26 16:36:12,411 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44485294117647056 [2021-03-26 16:36:12,412 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 242 transitions. [2021-03-26 16:36:12,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 242 transitions. [2021-03-26 16:36:12,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:12,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 242 transitions. [2021-03-26 16:36:12,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 14.235294117647058) internal successors, (242), 17 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:12,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:12,414 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:12,414 INFO L185 Difference]: Start difference. First operand has 44 places, 59 transitions, 570 flow. Second operand 17 states and 242 transitions. [2021-03-26 16:36:12,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 121 transitions, 1280 flow [2021-03-26 16:36:12,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 121 transitions, 1216 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-03-26 16:36:12,424 INFO L241 Difference]: Finished difference. Result has 68 places, 83 transitions, 918 flow [2021-03-26 16:36:12,424 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=918, PETRI_PLACES=68, PETRI_TRANSITIONS=83} [2021-03-26 16:36:12,424 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 50 predicate places. [2021-03-26 16:36:12,424 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:12,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 83 transitions, 918 flow [2021-03-26 16:36:12,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 83 transitions, 918 flow [2021-03-26 16:36:12,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 83 transitions, 918 flow [2021-03-26 16:36:12,441 INFO L129 PetriNetUnfolder]: 70/180 cut-off events. [2021-03-26 16:36:12,441 INFO L130 PetriNetUnfolder]: For 1176/1184 co-relation queries the response was YES. [2021-03-26 16:36:12,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 180 events. 70/180 cut-off events. For 1176/1184 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 787 event pairs, 1 based on Foata normal form. 4/183 useless extension candidates. Maximal degree in co-relation 871. Up to 68 conditions per place. [2021-03-26 16:36:12,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 112 [2021-03-26 16:36:12,514 INFO L154 LiptonReduction]: Checked pairs total: 192 [2021-03-26 16:36:12,514 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:36:12,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-03-26 16:36:12,515 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 83 transitions, 929 flow [2021-03-26 16:36:12,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:12,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:12,515 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:12,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:12,728 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:12,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:12,728 INFO L82 PathProgramCache]: Analyzing trace with hash 921431427, now seen corresponding path program 5 times [2021-03-26 16:36:12,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:12,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625127033] [2021-03-26 16:36:12,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:12,774 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-26 16:36:12,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:12,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:12,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:12,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:12,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:12,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:12,835 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-26 16:36:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:12,848 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:12,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:12,861 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:12,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:12,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625127033] [2021-03-26 16:36:12,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260805094] [2021-03-26 16:36:12,871 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:12,899 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:36:12,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:12,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-26 16:36:12,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:12,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:12,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:12,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:12,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:12,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:12,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:12,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:12,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:12,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:12,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:12,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:12,998 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:12,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:13,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:13,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:13,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:13,020 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-26 16:36:13,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:13,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:13,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 16:36:13,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:13,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:13,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 16:36:13,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,032 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:13,032 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:13,039 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:13,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:13,072 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-26 16:36:13,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:13,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:13,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:13,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:36:13,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:13,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:13,105 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:13,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:13,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:13,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:13,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:13,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:13,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:13,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,115 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:13,115 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:13,119 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:13,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:13,151 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:13,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:13,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:13,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:13,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:13,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:13,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:13,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 17 [2021-03-26 16:36:13,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084077615] [2021-03-26 16:36:13,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-26 16:36:13,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:13,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-26 16:36:13,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2021-03-26 16:36:13,185 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2021-03-26 16:36:13,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 83 transitions, 929 flow. Second operand has 19 states, 19 states have (on average 11.157894736842104) internal successors, (212), 19 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:13,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:13,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2021-03-26 16:36:13,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:13,388 INFO L129 PetriNetUnfolder]: 165/349 cut-off events. [2021-03-26 16:36:13,388 INFO L130 PetriNetUnfolder]: For 1989/1989 co-relation queries the response was YES. [2021-03-26 16:36:13,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1833 conditions, 349 events. 165/349 cut-off events. For 1989/1989 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1579 event pairs, 50 based on Foata normal form. 1/350 useless extension candidates. Maximal degree in co-relation 1799. Up to 317 conditions per place. [2021-03-26 16:36:13,392 INFO L132 encePairwiseOnDemand]: 27/34 looper letters, 83 selfloop transitions, 11 changer transitions 1/99 dead transitions. [2021-03-26 16:36:13,392 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 99 transitions, 1237 flow [2021-03-26 16:36:13,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 16:36:13,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 16:36:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 123 transitions. [2021-03-26 16:36:13,393 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4019607843137255 [2021-03-26 16:36:13,393 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 123 transitions. [2021-03-26 16:36:13,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 123 transitions. [2021-03-26 16:36:13,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:13,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 123 transitions. [2021-03-26 16:36:13,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 13.666666666666666) internal successors, (123), 9 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:13,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:13,395 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:13,395 INFO L185 Difference]: Start difference. First operand has 65 places, 83 transitions, 929 flow. Second operand 9 states and 123 transitions. [2021-03-26 16:36:13,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 99 transitions, 1237 flow [2021-03-26 16:36:13,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 99 transitions, 1159 flow, removed 30 selfloop flow, removed 8 redundant places. [2021-03-26 16:36:13,409 INFO L241 Difference]: Finished difference. Result has 70 places, 89 transitions, 962 flow [2021-03-26 16:36:13,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=962, PETRI_PLACES=70, PETRI_TRANSITIONS=89} [2021-03-26 16:36:13,410 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 52 predicate places. [2021-03-26 16:36:13,410 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:13,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 89 transitions, 962 flow [2021-03-26 16:36:13,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 89 transitions, 962 flow [2021-03-26 16:36:13,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 89 transitions, 962 flow [2021-03-26 16:36:13,431 INFO L129 PetriNetUnfolder]: 72/189 cut-off events. [2021-03-26 16:36:13,432 INFO L130 PetriNetUnfolder]: For 1250/1259 co-relation queries the response was YES. [2021-03-26 16:36:13,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 939 conditions, 189 events. 72/189 cut-off events. For 1250/1259 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 853 event pairs, 0 based on Foata normal form. 6/194 useless extension candidates. Maximal degree in co-relation 909. Up to 72 conditions per place. [2021-03-26 16:36:13,434 INFO L142 LiptonReduction]: Number of co-enabled transitions 116 [2021-03-26 16:36:13,518 INFO L154 LiptonReduction]: Checked pairs total: 416 [2021-03-26 16:36:13,518 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:36:13,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 108 [2021-03-26 16:36:13,519 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 89 transitions, 976 flow [2021-03-26 16:36:13,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.157894736842104) internal successors, (212), 19 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:13,519 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:13,520 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:13,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:13,736 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:13,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:13,736 INFO L82 PathProgramCache]: Analyzing trace with hash 109648702, now seen corresponding path program 1 times [2021-03-26 16:36:13,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:13,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813299899] [2021-03-26 16:36:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:13,781 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-26 16:36:13,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:13,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:13,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:13,800 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:13,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:13,829 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:13,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:13,841 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:13,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:13,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813299899] [2021-03-26 16:36:13,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288161741] [2021-03-26 16:36:13,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:13,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 16:36:13,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:13,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:13,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:13,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:13,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:13,927 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:13,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:13,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:13,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:13,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:13,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:13,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:13,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,935 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:13,935 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:13,938 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:13,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:13,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,972 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-26 16:36:13,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:13,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:13,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:13,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:13,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:13,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:13,997 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:14,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:14,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:14,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:14,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:14,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:14,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:14,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,009 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:14,010 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:14,012 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:14,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:14,043 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:14,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:14,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:14,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:14,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:14,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:14,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-03-26 16:36:14,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484259964] [2021-03-26 16:36:14,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 16:36:14,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:14,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 16:36:14,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-03-26 16:36:14,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 36 [2021-03-26 16:36:14,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 89 transitions, 976 flow. Second operand has 14 states, 14 states have (on average 11.428571428571429) internal successors, (160), 14 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) [2021-03-26 16:36:14,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:14,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 36 [2021-03-26 16:36:14,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:14,256 INFO L129 PetriNetUnfolder]: 165/351 cut-off events. [2021-03-26 16:36:14,256 INFO L130 PetriNetUnfolder]: For 2055/2055 co-relation queries the response was YES. [2021-03-26 16:36:14,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 351 events. 165/351 cut-off events. For 2055/2055 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1610 event pairs, 51 based on Foata normal form. 1/352 useless extension candidates. Maximal degree in co-relation 1821. Up to 323 conditions per place. [2021-03-26 16:36:14,260 INFO L132 encePairwiseOnDemand]: 27/36 looper letters, 83 selfloop transitions, 13 changer transitions 1/101 dead transitions. [2021-03-26 16:36:14,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 101 transitions, 1254 flow [2021-03-26 16:36:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 16:36:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 16:36:14,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 134 transitions. [2021-03-26 16:36:14,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37222222222222223 [2021-03-26 16:36:14,262 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 134 transitions. [2021-03-26 16:36:14,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 134 transitions. [2021-03-26 16:36:14,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:14,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 134 transitions. [2021-03-26 16:36:14,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 13.4) internal successors, (134), 10 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:14,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 36.0) internal successors, (396), 11 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) [2021-03-26 16:36:14,264 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 36.0) internal successors, (396), 11 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) [2021-03-26 16:36:14,264 INFO L185 Difference]: Start difference. First operand has 69 places, 89 transitions, 976 flow. Second operand 10 states and 134 transitions. [2021-03-26 16:36:14,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 101 transitions, 1254 flow [2021-03-26 16:36:14,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 101 transitions, 1219 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 16:36:14,278 INFO L241 Difference]: Finished difference. Result has 78 places, 92 transitions, 1021 flow [2021-03-26 16:36:14,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=941, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1021, PETRI_PLACES=78, PETRI_TRANSITIONS=92} [2021-03-26 16:36:14,279 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 60 predicate places. [2021-03-26 16:36:14,279 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:14,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 92 transitions, 1021 flow [2021-03-26 16:36:14,279 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 92 transitions, 1021 flow [2021-03-26 16:36:14,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 92 transitions, 1021 flow [2021-03-26 16:36:14,299 INFO L129 PetriNetUnfolder]: 72/191 cut-off events. [2021-03-26 16:36:14,299 INFO L130 PetriNetUnfolder]: For 1355/1369 co-relation queries the response was YES. [2021-03-26 16:36:14,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 971 conditions, 191 events. 72/191 cut-off events. For 1355/1369 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 864 event pairs, 1 based on Foata normal form. 6/195 useless extension candidates. Maximal degree in co-relation 939. Up to 73 conditions per place. [2021-03-26 16:36:14,301 INFO L142 LiptonReduction]: Number of co-enabled transitions 120 [2021-03-26 16:36:14,324 INFO L154 LiptonReduction]: Checked pairs total: 150 [2021-03-26 16:36:14,324 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:14,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 16:36:14,324 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 92 transitions, 1021 flow [2021-03-26 16:36:14,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.428571428571429) internal successors, (160), 14 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) [2021-03-26 16:36:14,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:14,325 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:14,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:14,547 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:14,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:14,547 INFO L82 PathProgramCache]: Analyzing trace with hash -15393482, now seen corresponding path program 1 times [2021-03-26 16:36:14,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:14,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445971662] [2021-03-26 16:36:14,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:14,581 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-26 16:36:14,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:14,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:14,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,604 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 16:36:14,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:14,620 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-26 16:36:14,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:14,634 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:14,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:14,651 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:14,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:14,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:14,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445971662] [2021-03-26 16:36:14,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313784814] [2021-03-26 16:36:14,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 16:36:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:14,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-26 16:36:14,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:14,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:14,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:14,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:14,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:14,733 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:36:14,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:14,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:14,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:36:14,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:14,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:14,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:36:14,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,743 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:14,743 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:14,744 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:14,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:14,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:14,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:14,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:14,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:14,786 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:14,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:14,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:14,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:14,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:14,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,807 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:14,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:14,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:14,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:14,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:14,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:14,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:14,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,815 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:14,815 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:14,816 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:14,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:14,846 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:14,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:14,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:14,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:14,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:14,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:14,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-26 16:36:14,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349509057] [2021-03-26 16:36:14,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 16:36:14,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:14,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 16:36:14,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-03-26 16:36:14,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 36 [2021-03-26 16:36:14,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 92 transitions, 1021 flow. Second operand has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:14,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:14,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 36 [2021-03-26 16:36:14,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:15,201 INFO L129 PetriNetUnfolder]: 179/383 cut-off events. [2021-03-26 16:36:15,201 INFO L130 PetriNetUnfolder]: For 2281/2281 co-relation queries the response was YES. [2021-03-26 16:36:15,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2034 conditions, 383 events. 179/383 cut-off events. For 2281/2281 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1828 event pairs, 28 based on Foata normal form. 1/384 useless extension candidates. Maximal degree in co-relation 1999. Up to 226 conditions per place. [2021-03-26 16:36:15,205 INFO L132 encePairwiseOnDemand]: 25/36 looper letters, 66 selfloop transitions, 60 changer transitions 1/131 dead transitions. [2021-03-26 16:36:15,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 131 transitions, 1599 flow [2021-03-26 16:36:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 16:36:15,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 16:36:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 206 transitions. [2021-03-26 16:36:15,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3814814814814815 [2021-03-26 16:36:15,206 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 206 transitions. [2021-03-26 16:36:15,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 206 transitions. [2021-03-26 16:36:15,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:15,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 206 transitions. [2021-03-26 16:36:15,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 13.733333333333333) internal successors, (206), 15 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:15,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 36.0) internal successors, (576), 16 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:15,208 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 36.0) internal successors, (576), 16 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:15,208 INFO L185 Difference]: Start difference. First operand has 77 places, 92 transitions, 1021 flow. Second operand 15 states and 206 transitions. [2021-03-26 16:36:15,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 131 transitions, 1599 flow [2021-03-26 16:36:15,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 131 transitions, 1563 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 16:36:15,221 INFO L241 Difference]: Finished difference. Result has 91 places, 111 transitions, 1444 flow [2021-03-26 16:36:15,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=985, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1444, PETRI_PLACES=91, PETRI_TRANSITIONS=111} [2021-03-26 16:36:15,221 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 73 predicate places. [2021-03-26 16:36:15,221 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:15,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 111 transitions, 1444 flow [2021-03-26 16:36:15,222 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 111 transitions, 1444 flow [2021-03-26 16:36:15,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 111 transitions, 1444 flow [2021-03-26 16:36:15,241 INFO L129 PetriNetUnfolder]: 81/216 cut-off events. [2021-03-26 16:36:15,241 INFO L130 PetriNetUnfolder]: For 2001/2007 co-relation queries the response was YES. [2021-03-26 16:36:15,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 216 events. 81/216 cut-off events. For 2001/2007 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1046 event pairs, 2 based on Foata normal form. 4/219 useless extension candidates. Maximal degree in co-relation 1219. Up to 84 conditions per place. [2021-03-26 16:36:15,243 INFO L142 LiptonReduction]: Number of co-enabled transitions 130 [2021-03-26 16:36:15,271 INFO L154 LiptonReduction]: Checked pairs total: 227 [2021-03-26 16:36:15,271 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:15,271 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 16:36:15,272 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 111 transitions, 1444 flow [2021-03-26 16:36:15,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:15,272 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:15,272 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:15,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-26 16:36:15,493 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:15,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:15,494 INFO L82 PathProgramCache]: Analyzing trace with hash -458683562, now seen corresponding path program 2 times [2021-03-26 16:36:15,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:15,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148115153] [2021-03-26 16:36:15,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:15,520 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-26 16:36:15,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:15,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:15,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,542 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 16:36:15,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:15,559 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 16:36:15,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:15,574 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:15,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:15,585 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:15,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:15,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148115153] [2021-03-26 16:36:15,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454544845] [2021-03-26 16:36:15,595 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:15,616 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:36:15,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:15,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-26 16:36:15,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:15,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:15,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:15,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:15,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:15,667 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:36:15,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:15,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:15,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:36:15,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:15,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:15,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:36:15,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,674 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:15,674 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:15,675 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:15,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:15,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:15,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:15,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:15,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:15,724 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:15,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:15,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:15,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:15,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:15,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:15,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:15,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,732 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:15,732 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:15,736 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:15,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:15,768 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:15,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:15,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:15,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:15,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:15,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:15,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:15,802 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:15,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:15,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:15,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:15,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:15,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:15,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:15,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:15,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:15,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-26 16:36:15,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711835909] [2021-03-26 16:36:15,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-26 16:36:15,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:15,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-26 16:36:15,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-03-26 16:36:15,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 36 [2021-03-26 16:36:15,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 111 transitions, 1444 flow. Second operand has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:15,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:15,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 36 [2021-03-26 16:36:15,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:16,388 INFO L129 PetriNetUnfolder]: 213/455 cut-off events. [2021-03-26 16:36:16,388 INFO L130 PetriNetUnfolder]: For 3870/3870 co-relation queries the response was YES. [2021-03-26 16:36:16,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2737 conditions, 455 events. 213/455 cut-off events. For 3870/3870 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2254 event pairs, 24 based on Foata normal form. 2/457 useless extension candidates. Maximal degree in co-relation 2698. Up to 204 conditions per place. [2021-03-26 16:36:16,393 INFO L132 encePairwiseOnDemand]: 24/36 looper letters, 61 selfloop transitions, 93 changer transitions 7/165 dead transitions. [2021-03-26 16:36:16,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 165 transitions, 2304 flow [2021-03-26 16:36:16,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 16:36:16,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 16:36:16,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 268 transitions. [2021-03-26 16:36:16,395 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.391812865497076 [2021-03-26 16:36:16,395 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 268 transitions. [2021-03-26 16:36:16,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 268 transitions. [2021-03-26 16:36:16,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:16,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 268 transitions. [2021-03-26 16:36:16,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 14.105263157894736) internal successors, (268), 19 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:16,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 36.0) internal successors, (720), 20 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:16,398 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 36.0) internal successors, (720), 20 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:16,398 INFO L185 Difference]: Start difference. First operand has 90 places, 111 transitions, 1444 flow. Second operand 19 states and 268 transitions. [2021-03-26 16:36:16,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 165 transitions, 2304 flow [2021-03-26 16:36:16,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 165 transitions, 2213 flow, removed 34 selfloop flow, removed 9 redundant places. [2021-03-26 16:36:16,423 INFO L241 Difference]: Finished difference. Result has 103 places, 133 transitions, 1917 flow [2021-03-26 16:36:16,424 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=1361, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1917, PETRI_PLACES=103, PETRI_TRANSITIONS=133} [2021-03-26 16:36:16,424 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 85 predicate places. [2021-03-26 16:36:16,424 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:16,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 133 transitions, 1917 flow [2021-03-26 16:36:16,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 133 transitions, 1917 flow [2021-03-26 16:36:16,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 133 transitions, 1917 flow [2021-03-26 16:36:16,451 INFO L129 PetriNetUnfolder]: 100/260 cut-off events. [2021-03-26 16:36:16,451 INFO L130 PetriNetUnfolder]: For 3110/3121 co-relation queries the response was YES. [2021-03-26 16:36:16,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1645 conditions, 260 events. 100/260 cut-off events. For 3110/3121 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1317 event pairs, 0 based on Foata normal form. 4/261 useless extension candidates. Maximal degree in co-relation 1608. Up to 102 conditions per place. [2021-03-26 16:36:16,454 INFO L142 LiptonReduction]: Number of co-enabled transitions 142 [2021-03-26 16:36:16,471 INFO L154 LiptonReduction]: Checked pairs total: 218 [2021-03-26 16:36:16,471 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:16,471 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 16:36:16,473 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 133 transitions, 1917 flow [2021-03-26 16:36:16,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:16,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:16,473 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:16,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-26 16:36:16,687 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:16,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:16,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1322469213, now seen corresponding path program 6 times [2021-03-26 16:36:16,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:16,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014639239] [2021-03-26 16:36:16,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:16,727 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-26 16:36:16,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:16,736 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:16,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:16,746 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:16,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:16,761 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-26 16:36:16,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:16,773 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:16,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:16,786 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:16,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:16,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:16,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014639239] [2021-03-26 16:36:16,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157444899] [2021-03-26 16:36:16,796 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:16,828 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-26 16:36:16,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:16,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 16:36:16,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:16,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:16,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:16,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:16,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:16,868 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:16,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:16,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:16,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:16,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:16,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:16,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:16,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,874 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:16,874 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:16,879 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:16,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:16,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:16,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:16,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:16,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:16,927 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:16,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:16,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:16,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:16,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:16,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:16,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:16,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,935 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:16,935 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:16,936 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:16,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:16,965 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:16,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:16,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:16,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:16,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:16,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:16,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:16,985 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:16,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:16,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:16,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:16,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:16,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:16,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:16,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:17,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:17,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-26 16:36:17,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118547906] [2021-03-26 16:36:17,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-26 16:36:17,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:17,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-26 16:36:17,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2021-03-26 16:36:17,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 36 [2021-03-26 16:36:17,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 133 transitions, 1917 flow. Second operand has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:17,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:17,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 36 [2021-03-26 16:36:17,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:17,401 INFO L129 PetriNetUnfolder]: 229/486 cut-off events. [2021-03-26 16:36:17,402 INFO L130 PetriNetUnfolder]: For 5186/5186 co-relation queries the response was YES. [2021-03-26 16:36:17,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3200 conditions, 486 events. 229/486 cut-off events. For 5186/5186 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2453 event pairs, 46 based on Foata normal form. 2/486 useless extension candidates. Maximal degree in co-relation 3160. Up to 372 conditions per place. [2021-03-26 16:36:17,407 INFO L132 encePairwiseOnDemand]: 25/36 looper letters, 117 selfloop transitions, 45 changer transitions 9/175 dead transitions. [2021-03-26 16:36:17,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 175 transitions, 2732 flow [2021-03-26 16:36:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 16:36:17,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 16:36:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 226 transitions. [2021-03-26 16:36:17,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3923611111111111 [2021-03-26 16:36:17,408 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 226 transitions. [2021-03-26 16:36:17,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 226 transitions. [2021-03-26 16:36:17,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:17,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 226 transitions. [2021-03-26 16:36:17,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 14.125) internal successors, (226), 16 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:17,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 36.0) internal successors, (612), 17 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:17,412 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 36.0) internal successors, (612), 17 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:17,412 INFO L185 Difference]: Start difference. First operand has 101 places, 133 transitions, 1917 flow. Second operand 16 states and 226 transitions. [2021-03-26 16:36:17,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 175 transitions, 2732 flow [2021-03-26 16:36:17,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 175 transitions, 2454 flow, removed 60 selfloop flow, removed 14 redundant places. [2021-03-26 16:36:17,435 INFO L241 Difference]: Finished difference. Result has 107 places, 146 transitions, 2019 flow [2021-03-26 16:36:17,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=1677, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2019, PETRI_PLACES=107, PETRI_TRANSITIONS=146} [2021-03-26 16:36:17,436 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 89 predicate places. [2021-03-26 16:36:17,436 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:17,436 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 146 transitions, 2019 flow [2021-03-26 16:36:17,436 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 146 transitions, 2019 flow [2021-03-26 16:36:17,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 146 transitions, 2019 flow [2021-03-26 16:36:17,462 INFO L129 PetriNetUnfolder]: 108/277 cut-off events. [2021-03-26 16:36:17,462 INFO L130 PetriNetUnfolder]: For 3129/3140 co-relation queries the response was YES. [2021-03-26 16:36:17,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1716 conditions, 277 events. 108/277 cut-off events. For 3129/3140 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1438 event pairs, 1 based on Foata normal form. 7/281 useless extension candidates. Maximal degree in co-relation 1648. Up to 110 conditions per place. [2021-03-26 16:36:17,465 INFO L142 LiptonReduction]: Number of co-enabled transitions 152 [2021-03-26 16:36:17,492 INFO L154 LiptonReduction]: Checked pairs total: 238 [2021-03-26 16:36:17,492 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:17,493 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-26 16:36:17,494 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 146 transitions, 2019 flow [2021-03-26 16:36:17,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:17,494 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:17,494 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:17,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:17,716 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:17,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:17,716 INFO L82 PathProgramCache]: Analyzing trace with hash -2059861445, now seen corresponding path program 1 times [2021-03-26 16:36:17,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:17,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696011333] [2021-03-26 16:36:17,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:17,752 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 16:36:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:17,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:17,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:17,778 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-26 16:36:17,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:17,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:17,791 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-26 16:36:17,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:17,803 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:17,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:17,816 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:17,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:36:17,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696011333] [2021-03-26 16:36:17,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030326025] [2021-03-26 16:36:17,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:17,847 WARN L261 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:36:17,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:17,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:17,896 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-03-26 16:36:17,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:17,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:17,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:17,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:17,916 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-03-26 16:36:17,917 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-26 16:36:17,918 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:17,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:17,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:17,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:17,937 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-26 16:36:17,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:17,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:17,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:17,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:17,950 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:36:17,952 INFO L147 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size 23 [2021-03-26 16:36:17,953 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-03-26 16:36:17,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:17,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:17,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:17,974 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 16:36:17,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:36:17,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:17,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:17,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:17,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:17,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:17,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:18,004 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:36:18,005 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:36:18,006 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:36:18,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:18,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:18,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:18,026 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:18,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:18,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:18,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:18,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-26 16:36:18,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134793606] [2021-03-26 16:36:18,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-26 16:36:18,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:18,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-26 16:36:18,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-03-26 16:36:18,066 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 36 [2021-03-26 16:36:18,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 146 transitions, 2019 flow. Second operand has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:18,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:18,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 36 [2021-03-26 16:36:18,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:18,424 INFO L129 PetriNetUnfolder]: 227/484 cut-off events. [2021-03-26 16:36:18,425 INFO L130 PetriNetUnfolder]: For 4918/4918 co-relation queries the response was YES. [2021-03-26 16:36:18,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3100 conditions, 484 events. 227/484 cut-off events. For 4918/4918 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2455 event pairs, 69 based on Foata normal form. 2/484 useless extension candidates. Maximal degree in co-relation 2954. Up to 456 conditions per place. [2021-03-26 16:36:18,430 INFO L132 encePairwiseOnDemand]: 28/36 looper letters, 136 selfloop transitions, 4 changer transitions 13/157 dead transitions. [2021-03-26 16:36:18,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 157 transitions, 2463 flow [2021-03-26 16:36:18,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 16:36:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 16:36:18,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 162 transitions. [2021-03-26 16:36:18,432 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34615384615384615 [2021-03-26 16:36:18,432 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 162 transitions. [2021-03-26 16:36:18,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 162 transitions. [2021-03-26 16:36:18,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:18,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 162 transitions. [2021-03-26 16:36:18,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:18,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 36.0) internal successors, (504), 14 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:18,435 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 36.0) internal successors, (504), 14 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:18,435 INFO L185 Difference]: Start difference. First operand has 105 places, 146 transitions, 2019 flow. Second operand 13 states and 162 transitions. [2021-03-26 16:36:18,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 157 transitions, 2463 flow [2021-03-26 16:36:18,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 157 transitions, 2377 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-26 16:36:18,459 INFO L241 Difference]: Finished difference. Result has 114 places, 142 transitions, 1905 flow [2021-03-26 16:36:18,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=1933, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1905, PETRI_PLACES=114, PETRI_TRANSITIONS=142} [2021-03-26 16:36:18,460 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 96 predicate places. [2021-03-26 16:36:18,460 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:18,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 142 transitions, 1905 flow [2021-03-26 16:36:18,461 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 142 transitions, 1905 flow [2021-03-26 16:36:18,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 142 transitions, 1905 flow [2021-03-26 16:36:18,489 INFO L129 PetriNetUnfolder]: 107/271 cut-off events. [2021-03-26 16:36:18,489 INFO L130 PetriNetUnfolder]: For 3226/3240 co-relation queries the response was YES. [2021-03-26 16:36:18,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 271 events. 107/271 cut-off events. For 3226/3240 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1398 event pairs, 1 based on Foata normal form. 7/276 useless extension candidates. Maximal degree in co-relation 1728. Up to 107 conditions per place. [2021-03-26 16:36:18,492 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 16:36:18,501 INFO L154 LiptonReduction]: Checked pairs total: 234 [2021-03-26 16:36:18,501 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:18,501 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-26 16:36:18,502 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 142 transitions, 1905 flow [2021-03-26 16:36:18,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:18,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:18,502 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:18,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-26 16:36:18,723 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:18,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:18,724 INFO L82 PathProgramCache]: Analyzing trace with hash 2114218199, now seen corresponding path program 7 times [2021-03-26 16:36:18,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:18,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104476881] [2021-03-26 16:36:18,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:18,754 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-26 16:36:18,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:18,762 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:18,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:18,771 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:18,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:18,781 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-03-26 16:36:18,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:18,802 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-26 16:36:18,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:18,815 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:18,825 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:18,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:18,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104476881] [2021-03-26 16:36:18,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645946027] [2021-03-26 16:36:18,833 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:18,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-26 16:36:18,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:18,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:18,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:18,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:18,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:18,905 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:18,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,912 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:18,913 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:18,914 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:18,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:18,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:18,944 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:18,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:18,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:18,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:18,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:18,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:18,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:18,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,949 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:18,949 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:18,950 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:18,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:18,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:18,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:18,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:18,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:18,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:19,005 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:19,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:19,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:19,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:19,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:19,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,023 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:19,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:19,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:19,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-26 16:36:19,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547442525] [2021-03-26 16:36:19,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-26 16:36:19,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:19,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-26 16:36:19,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2021-03-26 16:36:19,051 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 36 [2021-03-26 16:36:19,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 142 transitions, 1905 flow. Second operand has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:19,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:19,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 36 [2021-03-26 16:36:19,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:19,369 INFO L129 PetriNetUnfolder]: 235/494 cut-off events. [2021-03-26 16:36:19,370 INFO L130 PetriNetUnfolder]: For 5646/5646 co-relation queries the response was YES. [2021-03-26 16:36:19,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3491 conditions, 494 events. 235/494 cut-off events. For 5646/5646 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2495 event pairs, 57 based on Foata normal form. 2/496 useless extension candidates. Maximal degree in co-relation 3441. Up to 411 conditions per place. [2021-03-26 16:36:19,376 INFO L132 encePairwiseOnDemand]: 26/36 looper letters, 129 selfloop transitions, 29 changer transitions 9/171 dead transitions. [2021-03-26 16:36:19,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 171 transitions, 2650 flow [2021-03-26 16:36:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 16:36:19,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 16:36:19,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 172 transitions. [2021-03-26 16:36:19,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39814814814814814 [2021-03-26 16:36:19,379 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 172 transitions. [2021-03-26 16:36:19,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 172 transitions. [2021-03-26 16:36:19,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:19,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 172 transitions. [2021-03-26 16:36:19,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:19,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 36.0) internal successors, (468), 13 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:19,380 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 36.0) internal successors, (468), 13 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:19,380 INFO L185 Difference]: Start difference. First operand has 101 places, 142 transitions, 1905 flow. Second operand 12 states and 172 transitions. [2021-03-26 16:36:19,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 171 transitions, 2650 flow [2021-03-26 16:36:19,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 171 transitions, 2548 flow, removed 47 selfloop flow, removed 10 redundant places. [2021-03-26 16:36:19,432 INFO L241 Difference]: Finished difference. Result has 106 places, 148 transitions, 2074 flow [2021-03-26 16:36:19,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=1875, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2074, PETRI_PLACES=106, PETRI_TRANSITIONS=148} [2021-03-26 16:36:19,433 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 88 predicate places. [2021-03-26 16:36:19,433 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:19,433 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 148 transitions, 2074 flow [2021-03-26 16:36:19,433 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 148 transitions, 2074 flow [2021-03-26 16:36:19,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 148 transitions, 2074 flow [2021-03-26 16:36:19,461 INFO L129 PetriNetUnfolder]: 111/282 cut-off events. [2021-03-26 16:36:19,461 INFO L130 PetriNetUnfolder]: For 3415/3426 co-relation queries the response was YES. [2021-03-26 16:36:19,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1776 conditions, 282 events. 111/282 cut-off events. For 3415/3426 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1452 event pairs, 0 based on Foata normal form. 7/287 useless extension candidates. Maximal degree in co-relation 1718. Up to 111 conditions per place. [2021-03-26 16:36:19,468 INFO L142 LiptonReduction]: Number of co-enabled transitions 154 [2021-03-26 16:36:19,511 INFO L154 LiptonReduction]: Checked pairs total: 362 [2021-03-26 16:36:19,511 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:36:19,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-03-26 16:36:19,512 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 148 transitions, 2079 flow [2021-03-26 16:36:19,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:19,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:19,514 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:19,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:19,736 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:19,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:19,736 INFO L82 PathProgramCache]: Analyzing trace with hash -446092551, now seen corresponding path program 1 times [2021-03-26 16:36:19,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:19,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497619706] [2021-03-26 16:36:19,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:19,771 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:19,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:19,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 16:36:19,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:19,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:19,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:36:19,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:19,862 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:36:19,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,877 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:19,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:19,893 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:19,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:19,905 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:19,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497619706] [2021-03-26 16:36:19,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008078787] [2021-03-26 16:36:19,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:19,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:36:19,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:19,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:19,970 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:19,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:19,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:19,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:20,014 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:20,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:20,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:20,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:20,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:20,036 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:36:20,037 INFO L147 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size 23 [2021-03-26 16:36:20,038 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-03-26 16:36:20,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:20,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:20,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:20,060 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 16:36:20,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:36:20,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:20,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:20,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:20,089 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:36:20,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:20,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:20,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:20,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:20,115 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:20,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:20,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:20,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:20,142 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:20,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:20,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-26 16:36:20,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542185418] [2021-03-26 16:36:20,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 16:36:20,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:20,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 16:36:20,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-03-26 16:36:20,144 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2021-03-26 16:36:20,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 148 transitions, 2079 flow. Second operand has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:20,144 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:20,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2021-03-26 16:36:20,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:20,612 INFO L129 PetriNetUnfolder]: 245/511 cut-off events. [2021-03-26 16:36:20,612 INFO L130 PetriNetUnfolder]: For 5990/5990 co-relation queries the response was YES. [2021-03-26 16:36:20,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3368 conditions, 511 events. 245/511 cut-off events. For 5990/5990 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2601 event pairs, 51 based on Foata normal form. 3/514 useless extension candidates. Maximal degree in co-relation 3216. Up to 412 conditions per place. [2021-03-26 16:36:20,621 INFO L132 encePairwiseOnDemand]: 26/37 looper letters, 138 selfloop transitions, 37 changer transitions 3/182 dead transitions. [2021-03-26 16:36:20,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 182 transitions, 2915 flow [2021-03-26 16:36:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 16:36:20,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 16:36:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 233 transitions. [2021-03-26 16:36:20,625 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34984984984984985 [2021-03-26 16:36:20,625 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 233 transitions. [2021-03-26 16:36:20,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 233 transitions. [2021-03-26 16:36:20,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:20,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 233 transitions. [2021-03-26 16:36:20,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 18 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:20,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 37.0) internal successors, (703), 19 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:20,627 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 37.0) internal successors, (703), 19 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:20,627 INFO L185 Difference]: Start difference. First operand has 104 places, 148 transitions, 2079 flow. Second operand 18 states and 233 transitions. [2021-03-26 16:36:20,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 182 transitions, 2915 flow [2021-03-26 16:36:20,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 182 transitions, 2807 flow, removed 39 selfloop flow, removed 7 redundant places. [2021-03-26 16:36:20,667 INFO L241 Difference]: Finished difference. Result has 123 places, 167 transitions, 2393 flow [2021-03-26 16:36:20,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=1975, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2393, PETRI_PLACES=123, PETRI_TRANSITIONS=167} [2021-03-26 16:36:20,668 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 105 predicate places. [2021-03-26 16:36:20,668 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:20,668 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 167 transitions, 2393 flow [2021-03-26 16:36:20,668 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 167 transitions, 2393 flow [2021-03-26 16:36:20,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 167 transitions, 2393 flow [2021-03-26 16:36:20,701 INFO L129 PetriNetUnfolder]: 116/294 cut-off events. [2021-03-26 16:36:20,701 INFO L130 PetriNetUnfolder]: For 4143/4162 co-relation queries the response was YES. [2021-03-26 16:36:20,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2083 conditions, 294 events. 116/294 cut-off events. For 4143/4162 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1565 event pairs, 0 based on Foata normal form. 6/298 useless extension candidates. Maximal degree in co-relation 2035. Up to 120 conditions per place. [2021-03-26 16:36:20,706 INFO L142 LiptonReduction]: Number of co-enabled transitions 160 [2021-03-26 16:36:20,967 INFO L154 LiptonReduction]: Checked pairs total: 272 [2021-03-26 16:36:20,967 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 16:36:20,968 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 300 [2021-03-26 16:36:20,968 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 164 transitions, 2381 flow [2021-03-26 16:36:20,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:20,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:20,968 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:21,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-26 16:36:21,192 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:21,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:21,193 INFO L82 PathProgramCache]: Analyzing trace with hash 30740437, now seen corresponding path program 2 times [2021-03-26 16:36:21,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:21,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217291576] [2021-03-26 16:36:21,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:21,216 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:21,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,225 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-26 16:36:21,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:21,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:21,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,280 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-03-26 16:36:21,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:21,297 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 16:36:21,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:21,314 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:21,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,326 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:21,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:21,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217291576] [2021-03-26 16:36:21,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11754450] [2021-03-26 16:36:21,336 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) [2021-03-26 16:36:21,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:36:21,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:21,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:36:21,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:21,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:21,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,394 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:21,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:21,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:21,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:21,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:21,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:21,431 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:36:21,432 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-26 16:36:21,433 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-26 16:36:21,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:21,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:21,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:21,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:21,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:21,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:21,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:21,473 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-03-26 16:36:21,475 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-26 16:36:21,475 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 16:36:21,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:21,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:21,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:21,509 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-26 16:36:21,510 INFO L147 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size 23 [2021-03-26 16:36:21,510 INFO L142 QuantifierPusher]: treesize reduction 17, result has 58.5 percent of original size [2021-03-26 16:36:21,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:21,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:21,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:21,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:21,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:21,535 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:21,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:21,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:21,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:21,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:21,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-26 16:36:21,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734288339] [2021-03-26 16:36:21,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 16:36:21,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:21,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 16:36:21,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-03-26 16:36:21,567 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 40 [2021-03-26 16:36:21,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 164 transitions, 2381 flow. Second operand has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:21,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:21,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 40 [2021-03-26 16:36:21,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:22,693 INFO L129 PetriNetUnfolder]: 289/598 cut-off events. [2021-03-26 16:36:22,693 INFO L130 PetriNetUnfolder]: For 9106/9106 co-relation queries the response was YES. [2021-03-26 16:36:22,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4654 conditions, 598 events. 289/598 cut-off events. For 9106/9106 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3139 event pairs, 13 based on Foata normal form. 2/599 useless extension candidates. Maximal degree in co-relation 4604. Up to 230 conditions per place. [2021-03-26 16:36:22,699 INFO L132 encePairwiseOnDemand]: 23/40 looper letters, 65 selfloop transitions, 187 changer transitions 9/265 dead transitions. [2021-03-26 16:36:22,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 265 transitions, 4477 flow [2021-03-26 16:36:22,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-26 16:36:22,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-26 16:36:22,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 422 transitions. [2021-03-26 16:36:22,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3403225806451613 [2021-03-26 16:36:22,703 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 422 transitions. [2021-03-26 16:36:22,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 422 transitions. [2021-03-26 16:36:22,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:22,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 422 transitions. [2021-03-26 16:36:22,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 13.612903225806452) internal successors, (422), 31 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:22,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 40.0) internal successors, (1280), 32 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:22,706 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 40.0) internal successors, (1280), 32 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:22,706 INFO L185 Difference]: Start difference. First operand has 118 places, 164 transitions, 2381 flow. Second operand 31 states and 422 transitions. [2021-03-26 16:36:22,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 265 transitions, 4477 flow [2021-03-26 16:36:22,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 265 transitions, 4325 flow, removed 69 selfloop flow, removed 7 redundant places. [2021-03-26 16:36:22,743 INFO L241 Difference]: Finished difference. Result has 153 places, 240 transitions, 3955 flow [2021-03-26 16:36:22,743 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=2247, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=3955, PETRI_PLACES=153, PETRI_TRANSITIONS=240} [2021-03-26 16:36:22,743 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 135 predicate places. [2021-03-26 16:36:22,743 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:22,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 240 transitions, 3955 flow [2021-03-26 16:36:22,744 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 240 transitions, 3955 flow [2021-03-26 16:36:22,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 240 transitions, 3955 flow [2021-03-26 16:36:22,795 INFO L129 PetriNetUnfolder]: 175/421 cut-off events. [2021-03-26 16:36:22,796 INFO L130 PetriNetUnfolder]: For 9753/9794 co-relation queries the response was YES. [2021-03-26 16:36:22,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3739 conditions, 421 events. 175/421 cut-off events. For 9753/9794 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2334 event pairs, 2 based on Foata normal form. 8/427 useless extension candidates. Maximal degree in co-relation 3681. Up to 157 conditions per place. [2021-03-26 16:36:22,802 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 16:36:23,110 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 16:36:23,110 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 16:36:23,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 367 [2021-03-26 16:36:23,111 INFO L480 AbstractCegarLoop]: Abstraction has has 149 places, 238 transitions, 3977 flow [2021-03-26 16:36:23,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:23,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:23,111 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:23,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-26 16:36:23,316 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:23,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:23,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1361542001, now seen corresponding path program 1 times [2021-03-26 16:36:23,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:23,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889367531] [2021-03-26 16:36:23,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:23,361 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:23,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,369 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 16:36:23,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:23,380 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 16:36:23,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:23,393 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-26 16:36:23,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:23,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:23,418 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:36:23,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:23,432 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:23,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,449 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:23,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:23,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889367531] [2021-03-26 16:36:23,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157502771] [2021-03-26 16:36:23,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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) [2021-03-26 16:36:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:23,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:36:23,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:23,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:23,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,509 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:23,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,550 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:23,551 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 16:36:23,551 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 16:36:23,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:23,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:23,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:23,570 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-26 16:36:23,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:23,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:23,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:23,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:23,593 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 16:36:23,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:36:23,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:23,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:23,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:23,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:23,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:23,619 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:36:23,620 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:36:23,620 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:36:23,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:23,638 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:23,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:23,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:23,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:23,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-26 16:36:23,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041577377] [2021-03-26 16:36:23,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 16:36:23,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:23,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 16:36:23,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-03-26 16:36:23,665 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2021-03-26 16:36:23,665 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 238 transitions, 3977 flow. Second operand has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:23,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:23,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2021-03-26 16:36:23,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:24,360 INFO L129 PetriNetUnfolder]: 287/605 cut-off events. [2021-03-26 16:36:24,361 INFO L130 PetriNetUnfolder]: For 15671/15671 co-relation queries the response was YES. [2021-03-26 16:36:24,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6003 conditions, 605 events. 287/605 cut-off events. For 15671/15671 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3279 event pairs, 43 based on Foata normal form. 2/607 useless extension candidates. Maximal degree in co-relation 5943. Up to 492 conditions per place. [2021-03-26 16:36:24,366 INFO L132 encePairwiseOnDemand]: 33/44 looper letters, 194 selfloop transitions, 67 changer transitions 3/268 dead transitions. [2021-03-26 16:36:24,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 268 transitions, 5125 flow [2021-03-26 16:36:24,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 16:36:24,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 16:36:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 273 transitions. [2021-03-26 16:36:24,368 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29545454545454547 [2021-03-26 16:36:24,368 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 273 transitions. [2021-03-26 16:36:24,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 273 transitions. [2021-03-26 16:36:24,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:24,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 273 transitions. [2021-03-26 16:36:24,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 13.0) internal successors, (273), 21 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:24,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 44.0) internal successors, (968), 22 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:24,370 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 44.0) internal successors, (968), 22 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:24,370 INFO L185 Difference]: Start difference. First operand has 149 places, 238 transitions, 3977 flow. Second operand 21 states and 273 transitions. [2021-03-26 16:36:24,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 268 transitions, 5125 flow [2021-03-26 16:36:24,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 268 transitions, 4502 flow, removed 268 selfloop flow, removed 14 redundant places. [2021-03-26 16:36:24,413 INFO L241 Difference]: Finished difference. Result has 163 places, 253 transitions, 3882 flow [2021-03-26 16:36:24,414 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3421, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3882, PETRI_PLACES=163, PETRI_TRANSITIONS=253} [2021-03-26 16:36:24,414 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 145 predicate places. [2021-03-26 16:36:24,414 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:24,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 253 transitions, 3882 flow [2021-03-26 16:36:24,414 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 253 transitions, 3882 flow [2021-03-26 16:36:24,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 253 transitions, 3882 flow [2021-03-26 16:36:24,456 INFO L129 PetriNetUnfolder]: 175/429 cut-off events. [2021-03-26 16:36:24,456 INFO L130 PetriNetUnfolder]: For 10908/10946 co-relation queries the response was YES. [2021-03-26 16:36:24,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3716 conditions, 429 events. 175/429 cut-off events. For 10908/10946 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2460 event pairs, 1 based on Foata normal form. 6/433 useless extension candidates. Maximal degree in co-relation 3658. Up to 159 conditions per place. [2021-03-26 16:36:24,462 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 16:36:24,870 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 16:36:24,870 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 16:36:24,871 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 457 [2021-03-26 16:36:24,871 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 250 transitions, 3871 flow [2021-03-26 16:36:24,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:24,871 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:24,871 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:25,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:25,076 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:25,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:25,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1928169644, now seen corresponding path program 3 times [2021-03-26 16:36:25,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:25,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710212004] [2021-03-26 16:36:25,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:25,101 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 16:36:25,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:25,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:25,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,124 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 16:36:25,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:25,135 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-26 16:36:25,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:25,147 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 16:36:25,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:25,150 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 16:36:25,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:25,165 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:25,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:25,177 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:25,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:36:25,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710212004] [2021-03-26 16:36:25,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988267611] [2021-03-26 16:36:25,187 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:25,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-26 16:36:25,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:25,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:36:25,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:25,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:25,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:25,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:25,261 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-03-26 16:36:25,262 INFO L147 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size 18 [2021-03-26 16:36:25,263 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:36:25,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:25,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:25,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:25,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:25,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:25,281 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:25,281 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:36:25,282 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:36:25,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:25,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:25,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:25,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:25,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:25,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:25,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:25,323 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-26 16:36:25,324 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-26 16:36:25,325 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 16:36:25,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:25,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:25,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:25,357 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-26 16:36:25,358 INFO L147 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size 23 [2021-03-26 16:36:25,359 INFO L142 QuantifierPusher]: treesize reduction 17, result has 58.5 percent of original size [2021-03-26 16:36:25,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:25,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:25,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:25,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:25,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:25,379 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:25,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:25,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:25,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:25,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:25,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-26 16:36:25,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946466423] [2021-03-26 16:36:25,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 16:36:25,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:25,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 16:36:25,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2021-03-26 16:36:25,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 48 [2021-03-26 16:36:25,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 250 transitions, 3871 flow. Second operand has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:25,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:25,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 48 [2021-03-26 16:36:25,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:26,471 INFO L129 PetriNetUnfolder]: 313/658 cut-off events. [2021-03-26 16:36:26,472 INFO L130 PetriNetUnfolder]: For 21679/21679 co-relation queries the response was YES. [2021-03-26 16:36:26,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6631 conditions, 658 events. 313/658 cut-off events. For 21679/21679 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3625 event pairs, 7 based on Foata normal form. 2/660 useless extension candidates. Maximal degree in co-relation 6571. Up to 317 conditions per place. [2021-03-26 16:36:26,480 INFO L132 encePairwiseOnDemand]: 35/48 looper letters, 127 selfloop transitions, 191 changer transitions 26/348 dead transitions. [2021-03-26 16:36:26,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 348 transitions, 6348 flow [2021-03-26 16:36:26,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-26 16:36:26,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-26 16:36:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 349 transitions. [2021-03-26 16:36:26,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29083333333333333 [2021-03-26 16:36:26,482 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 349 transitions. [2021-03-26 16:36:26,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 349 transitions. [2021-03-26 16:36:26,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:26,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 349 transitions. [2021-03-26 16:36:26,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 13.96) internal successors, (349), 25 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:26,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 48.0) internal successors, (1248), 26 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:26,485 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 48.0) internal successors, (1248), 26 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:26,485 INFO L185 Difference]: Start difference. First operand has 158 places, 250 transitions, 3871 flow. Second operand 25 states and 349 transitions. [2021-03-26 16:36:26,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 348 transitions, 6348 flow [2021-03-26 16:36:26,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 348 transitions, 5966 flow, removed 171 selfloop flow, removed 14 redundant places. [2021-03-26 16:36:26,551 INFO L241 Difference]: Finished difference. Result has 182 places, 312 transitions, 5359 flow [2021-03-26 16:36:26,552 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=3662, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=5359, PETRI_PLACES=182, PETRI_TRANSITIONS=312} [2021-03-26 16:36:26,552 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 164 predicate places. [2021-03-26 16:36:26,552 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:26,552 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 312 transitions, 5359 flow [2021-03-26 16:36:26,552 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 312 transitions, 5359 flow [2021-03-26 16:36:26,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 312 transitions, 5359 flow [2021-03-26 16:36:26,629 INFO L129 PetriNetUnfolder]: 241/538 cut-off events. [2021-03-26 16:36:26,629 INFO L130 PetriNetUnfolder]: For 17602/17653 co-relation queries the response was YES. [2021-03-26 16:36:26,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5450 conditions, 538 events. 241/538 cut-off events. For 17602/17653 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3063 event pairs, 7 based on Foata normal form. 10/542 useless extension candidates. Maximal degree in co-relation 5383. Up to 180 conditions per place. [2021-03-26 16:36:26,639 INFO L142 LiptonReduction]: Number of co-enabled transitions 154 [2021-03-26 16:36:26,780 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:36:26,780 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:36:26,780 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 228 [2021-03-26 16:36:26,781 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 312 transitions, 5375 flow [2021-03-26 16:36:26,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:26,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:26,781 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:27,002 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-26 16:36:27,002 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:27,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:27,003 INFO L82 PathProgramCache]: Analyzing trace with hash 269896078, now seen corresponding path program 1 times [2021-03-26 16:36:27,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:27,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625504802] [2021-03-26 16:36:27,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:27,027 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 16:36:27,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:27,035 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:27,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:27,042 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:27,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:27,050 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 16:36:27,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:27,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:27,067 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-26 16:36:27,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:27,092 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:27,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:27,104 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:27,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:27,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625504802] [2021-03-26 16:36:27,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846507974] [2021-03-26 16:36:27,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:27,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:36:27,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:27,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:27,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:27,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:27,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:27,179 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:27,179 INFO L147 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size 16 [2021-03-26 16:36:27,180 INFO L142 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size [2021-03-26 16:36:27,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,207 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:27,207 INFO L147 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size 18 [2021-03-26 16:36:27,207 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-26 16:36:27,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:27,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:27,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:27,223 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-26 16:36:27,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:27,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:27,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:27,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:27,242 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 16:36:27,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:36:27,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:27,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:27,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:27,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:27,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:27,270 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:36:27,271 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:36:27,271 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:36:27,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:27,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:27,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:27,289 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:27,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:27,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:27,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:27,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:27,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-26 16:36:27,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785136892] [2021-03-26 16:36:27,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 16:36:27,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:27,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 16:36:27,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2021-03-26 16:36:27,314 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 50 [2021-03-26 16:36:27,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 312 transitions, 5375 flow. Second operand has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:27,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:27,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 50 [2021-03-26 16:36:27,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:27,730 INFO L129 PetriNetUnfolder]: 302/636 cut-off events. [2021-03-26 16:36:27,731 INFO L130 PetriNetUnfolder]: For 25514/25514 co-relation queries the response was YES. [2021-03-26 16:36:27,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7277 conditions, 636 events. 302/636 cut-off events. For 25514/25514 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3497 event pairs, 45 based on Foata normal form. 2/638 useless extension candidates. Maximal degree in co-relation 7208. Up to 591 conditions per place. [2021-03-26 16:36:27,737 INFO L132 encePairwiseOnDemand]: 40/50 looper letters, 293 selfloop transitions, 15 changer transitions 18/330 dead transitions. [2021-03-26 16:36:27,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 330 transitions, 6506 flow [2021-03-26 16:36:27,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 16:36:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 16:36:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 204 transitions. [2021-03-26 16:36:27,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.272 [2021-03-26 16:36:27,738 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 204 transitions. [2021-03-26 16:36:27,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 204 transitions. [2021-03-26 16:36:27,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:27,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 204 transitions. [2021-03-26 16:36:27,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 13.6) internal successors, (204), 15 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:27,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 50.0) internal successors, (800), 16 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:27,741 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 50.0) internal successors, (800), 16 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:27,741 INFO L185 Difference]: Start difference. First operand has 168 places, 312 transitions, 5375 flow. Second operand 15 states and 204 transitions. [2021-03-26 16:36:27,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 330 transitions, 6506 flow [2021-03-26 16:36:27,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 330 transitions, 5991 flow, removed 201 selfloop flow, removed 10 redundant places. [2021-03-26 16:36:27,806 INFO L241 Difference]: Finished difference. Result has 179 places, 303 transitions, 4901 flow [2021-03-26 16:36:27,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=4992, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4901, PETRI_PLACES=179, PETRI_TRANSITIONS=303} [2021-03-26 16:36:27,806 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 161 predicate places. [2021-03-26 16:36:27,807 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:27,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 303 transitions, 4901 flow [2021-03-26 16:36:27,807 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 303 transitions, 4901 flow [2021-03-26 16:36:27,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 303 transitions, 4901 flow [2021-03-26 16:36:27,858 INFO L129 PetriNetUnfolder]: 236/527 cut-off events. [2021-03-26 16:36:27,858 INFO L130 PetriNetUnfolder]: For 13759/13790 co-relation queries the response was YES. [2021-03-26 16:36:27,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4930 conditions, 527 events. 236/527 cut-off events. For 13759/13790 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3011 event pairs, 6 based on Foata normal form. 10/532 useless extension candidates. Maximal degree in co-relation 4862. Up to 178 conditions per place. [2021-03-26 16:36:27,864 INFO L142 LiptonReduction]: Number of co-enabled transitions 154 [2021-03-26 16:36:27,875 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:27,875 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:27,875 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-26 16:36:27,875 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 303 transitions, 4901 flow [2021-03-26 16:36:27,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:27,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:27,876 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:28,076 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:28,076 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:28,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:28,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1372249007, now seen corresponding path program 8 times [2021-03-26 16:36:28,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:28,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19295169] [2021-03-26 16:36:28,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:28,105 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:28,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:28,114 INFO L142 QuantifierPusher]: treesize reduction 9, result has 73.5 percent of original size [2021-03-26 16:36:28,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:28,125 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 16:36:28,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:28,137 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-26 16:36:28,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:28,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:28,161 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-03-26 16:36:28,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:28,177 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 16:36:28,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:28,191 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:28,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:28,203 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:28,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:28,213 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:28,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19295169] [2021-03-26 16:36:28,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109700797] [2021-03-26 16:36:28,213 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:28,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:36:28,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:28,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:36:28,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:28,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,261 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:28,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,298 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:28,299 INFO L147 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size 18 [2021-03-26 16:36:28,299 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-26 16:36:28,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:28,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:28,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:28,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:28,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:28,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:28,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:28,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:28,354 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-26 16:36:28,355 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-26 16:36:28,355 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 16:36:28,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:28,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:28,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:28,385 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-26 16:36:28,386 INFO L147 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size 23 [2021-03-26 16:36:28,387 INFO L142 QuantifierPusher]: treesize reduction 17, result has 58.5 percent of original size [2021-03-26 16:36:28,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:28,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:28,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:28,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:28,407 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:28,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:28,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:28,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:28,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:28,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-26 16:36:28,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162250717] [2021-03-26 16:36:28,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 16:36:28,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:28,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 16:36:28,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2021-03-26 16:36:28,445 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 50 [2021-03-26 16:36:28,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 303 transitions, 4901 flow. Second operand has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:28,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:28,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 50 [2021-03-26 16:36:28,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:29,588 INFO L129 PetriNetUnfolder]: 352/729 cut-off events. [2021-03-26 16:36:29,588 INFO L130 PetriNetUnfolder]: For 26196/26196 co-relation queries the response was YES. [2021-03-26 16:36:29,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7959 conditions, 729 events. 352/729 cut-off events. For 26196/26196 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4009 event pairs, 13 based on Foata normal form. 2/731 useless extension candidates. Maximal degree in co-relation 7889. Up to 287 conditions per place. [2021-03-26 16:36:29,597 INFO L132 encePairwiseOnDemand]: 30/50 looper letters, 158 selfloop transitions, 248 changer transitions 8/418 dead transitions. [2021-03-26 16:36:29,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 418 transitions, 8085 flow [2021-03-26 16:36:29,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-26 16:36:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-26 16:36:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 425 transitions. [2021-03-26 16:36:29,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27419354838709675 [2021-03-26 16:36:29,599 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 425 transitions. [2021-03-26 16:36:29,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 425 transitions. [2021-03-26 16:36:29,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:29,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 425 transitions. [2021-03-26 16:36:29,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 13.709677419354838) internal successors, (425), 31 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:29,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 50.0) internal successors, (1600), 32 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:29,602 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 50.0) internal successors, (1600), 32 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:29,602 INFO L185 Difference]: Start difference. First operand has 168 places, 303 transitions, 4901 flow. Second operand 31 states and 425 transitions. [2021-03-26 16:36:29,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 418 transitions, 8085 flow [2021-03-26 16:36:29,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 418 transitions, 7790 flow, removed 132 selfloop flow, removed 15 redundant places. [2021-03-26 16:36:29,677 INFO L241 Difference]: Finished difference. Result has 197 places, 370 transitions, 6893 flow [2021-03-26 16:36:29,677 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=4835, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=6893, PETRI_PLACES=197, PETRI_TRANSITIONS=370} [2021-03-26 16:36:29,677 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 179 predicate places. [2021-03-26 16:36:29,677 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:29,678 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 370 transitions, 6893 flow [2021-03-26 16:36:29,678 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 370 transitions, 6893 flow [2021-03-26 16:36:29,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 195 places, 370 transitions, 6893 flow [2021-03-26 16:36:29,775 INFO L129 PetriNetUnfolder]: 278/624 cut-off events. [2021-03-26 16:36:29,776 INFO L130 PetriNetUnfolder]: For 22723/22775 co-relation queries the response was YES. [2021-03-26 16:36:29,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6675 conditions, 624 events. 278/624 cut-off events. For 22723/22775 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3664 event pairs, 7 based on Foata normal form. 20/640 useless extension candidates. Maximal degree in co-relation 6603. Up to 206 conditions per place. [2021-03-26 16:36:29,784 INFO L142 LiptonReduction]: Number of co-enabled transitions 166 [2021-03-26 16:36:30,117 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:30,117 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 16:36:30,117 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 440 [2021-03-26 16:36:30,118 INFO L480 AbstractCegarLoop]: Abstraction has has 195 places, 370 transitions, 6971 flow [2021-03-26 16:36:30,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:30,118 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:30,118 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:30,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-03-26 16:36:30,319 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:30,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:30,319 INFO L82 PathProgramCache]: Analyzing trace with hash 221292141, now seen corresponding path program 1 times [2021-03-26 16:36:30,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:30,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515064614] [2021-03-26 16:36:30,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:30,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 16:36:30,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 16:36:30,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515064614] [2021-03-26 16:36:30,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214364078] [2021-03-26 16:36:30,339 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-03-26 16:36:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:30,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 16:36:30,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:30,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,371 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-26 16:36:30,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:36:30,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:36:30,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:36:30,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:36:30,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:30,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:30,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:30,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:30,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:30,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:30,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:30,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:30,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:30,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:30,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:30,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:30,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,398 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-26 16:36:30,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:30,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:30,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 16:36:30,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:30,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-03-26 16:36:30,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109935865] [2021-03-26 16:36:30,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 16:36:30,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:30,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 16:36:30,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 16:36:30,408 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 53 [2021-03-26 16:36:30,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 370 transitions, 6971 flow. Second operand has 5 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) [2021-03-26 16:36:30,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:30,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 53 [2021-03-26 16:36:30,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:30,606 INFO L129 PetriNetUnfolder]: 307/683 cut-off events. [2021-03-26 16:36:30,606 INFO L130 PetriNetUnfolder]: For 31838/31915 co-relation queries the response was YES. [2021-03-26 16:36:30,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8074 conditions, 683 events. 307/683 cut-off events. For 31838/31915 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4040 event pairs, 8 based on Foata normal form. 2/666 useless extension candidates. Maximal degree in co-relation 8001. Up to 269 conditions per place. [2021-03-26 16:36:30,612 INFO L132 encePairwiseOnDemand]: 46/53 looper letters, 125 selfloop transitions, 134 changer transitions 0/388 dead transitions. [2021-03-26 16:36:30,612 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 388 transitions, 7940 flow [2021-03-26 16:36:30,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 16:36:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 16:36:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2021-03-26 16:36:30,613 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5245283018867924 [2021-03-26 16:36:30,613 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 139 transitions. [2021-03-26 16:36:30,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 139 transitions. [2021-03-26 16:36:30,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:30,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 139 transitions. [2021-03-26 16:36:30,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:30,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 53.0) internal successors, (318), 6 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:30,615 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 53.0) internal successors, (318), 6 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:30,615 INFO L185 Difference]: Start difference. First operand has 195 places, 370 transitions, 6971 flow. Second operand 5 states and 139 transitions. [2021-03-26 16:36:30,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 388 transitions, 7940 flow [2021-03-26 16:36:30,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 388 transitions, 7360 flow, removed 265 selfloop flow, removed 11 redundant places. [2021-03-26 16:36:30,687 INFO L241 Difference]: Finished difference. Result has 189 places, 383 transitions, 7142 flow [2021-03-26 16:36:30,687 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=6417, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=7142, PETRI_PLACES=189, PETRI_TRANSITIONS=383} [2021-03-26 16:36:30,688 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 171 predicate places. [2021-03-26 16:36:30,688 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:30,688 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 383 transitions, 7142 flow [2021-03-26 16:36:30,688 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 383 transitions, 7142 flow [2021-03-26 16:36:30,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 383 transitions, 7142 flow [2021-03-26 16:36:30,770 INFO L129 PetriNetUnfolder]: 294/661 cut-off events. [2021-03-26 16:36:30,770 INFO L130 PetriNetUnfolder]: For 24381/24438 co-relation queries the response was YES. [2021-03-26 16:36:30,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7089 conditions, 661 events. 294/661 cut-off events. For 24381/24438 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3892 event pairs, 7 based on Foata normal form. 22/679 useless extension candidates. Maximal degree in co-relation 6964. Up to 216 conditions per place. [2021-03-26 16:36:30,777 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-26 16:36:30,792 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:30,792 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:30,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-03-26 16:36:30,792 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 383 transitions, 7142 flow [2021-03-26 16:36:30,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 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) [2021-03-26 16:36:30,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:30,792 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:30,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:30,993 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:30,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:30,993 INFO L82 PathProgramCache]: Analyzing trace with hash -363078687, now seen corresponding path program 9 times [2021-03-26 16:36:30,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:30,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197771906] [2021-03-26 16:36:30,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:31,021 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:31,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,030 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-26 16:36:31,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:31,045 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 16:36:31,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,060 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-26 16:36:31,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:31,075 INFO L142 QuantifierPusher]: treesize reduction 46, result has 38.7 percent of original size [2021-03-26 16:36:31,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:31,094 INFO L142 QuantifierPusher]: treesize reduction 48, result has 30.4 percent of original size [2021-03-26 16:36:31,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:31,106 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-03-26 16:36:31,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,117 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-26 16:36:31,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:31,127 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:31,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197771906] [2021-03-26 16:36:31,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707777702] [2021-03-26 16:36:31,127 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:31,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-26 16:36:31,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:31,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 16:36:31,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:31,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,177 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:31,178 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:36:31,178 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:36:31,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:31,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:31,221 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:31,221 INFO L147 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size 18 [2021-03-26 16:36:31,222 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-26 16:36:31,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:31,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:31,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:31,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:31,242 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:31,242 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-03-26 16:36:31,243 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:36:31,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:31,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:31,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:31,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:31,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:31,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:31,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:31,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:31,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:31,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:31,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:31,298 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-26 16:36:31,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 16:36:31,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:31,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:31,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:31,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:31,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 16:36:31,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,303 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:31,303 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:31,304 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:31,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:31,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:31,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2021-03-26 16:36:31,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108105805] [2021-03-26 16:36:31,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-26 16:36:31,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:31,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-26 16:36:31,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2021-03-26 16:36:31,334 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 53 [2021-03-26 16:36:31,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 383 transitions, 7142 flow. Second operand has 17 states, 17 states have (on average 11.529411764705882) internal successors, (196), 17 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:31,335 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:31,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 53 [2021-03-26 16:36:31,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:31,921 INFO L129 PetriNetUnfolder]: 413/857 cut-off events. [2021-03-26 16:36:31,921 INFO L130 PetriNetUnfolder]: For 40237/40237 co-relation queries the response was YES. [2021-03-26 16:36:31,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10459 conditions, 857 events. 413/857 cut-off events. For 40237/40237 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4898 event pairs, 30 based on Foata normal form. 2/859 useless extension candidates. Maximal degree in co-relation 10326. Up to 567 conditions per place. [2021-03-26 16:36:31,931 INFO L132 encePairwiseOnDemand]: 40/53 looper letters, 316 selfloop transitions, 131 changer transitions 8/459 dead transitions. [2021-03-26 16:36:31,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 459 transitions, 9734 flow [2021-03-26 16:36:31,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 16:36:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 16:36:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 237 transitions. [2021-03-26 16:36:31,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2794811320754717 [2021-03-26 16:36:31,933 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 237 transitions. [2021-03-26 16:36:31,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 237 transitions. [2021-03-26 16:36:31,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:31,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 237 transitions. [2021-03-26 16:36:31,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 14.8125) internal successors, (237), 16 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:31,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 53.0) internal successors, (901), 17 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:31,935 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 53.0) internal successors, (901), 17 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:31,935 INFO L185 Difference]: Start difference. First operand has 189 places, 383 transitions, 7142 flow. Second operand 16 states and 237 transitions. [2021-03-26 16:36:31,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 459 transitions, 9734 flow [2021-03-26 16:36:32,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 459 transitions, 9705 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-03-26 16:36:32,039 INFO L241 Difference]: Finished difference. Result has 209 places, 417 transitions, 8428 flow [2021-03-26 16:36:32,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=7131, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=8428, PETRI_PLACES=209, PETRI_TRANSITIONS=417} [2021-03-26 16:36:32,040 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 191 predicate places. [2021-03-26 16:36:32,040 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:32,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 417 transitions, 8428 flow [2021-03-26 16:36:32,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 417 transitions, 8428 flow [2021-03-26 16:36:32,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 417 transitions, 8428 flow [2021-03-26 16:36:32,152 INFO L129 PetriNetUnfolder]: 323/725 cut-off events. [2021-03-26 16:36:32,152 INFO L130 PetriNetUnfolder]: For 28647/28703 co-relation queries the response was YES. [2021-03-26 16:36:32,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8209 conditions, 725 events. 323/725 cut-off events. For 28647/28703 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4355 event pairs, 12 based on Foata normal form. 9/728 useless extension candidates. Maximal degree in co-relation 8131. Up to 236 conditions per place. [2021-03-26 16:36:32,167 INFO L142 LiptonReduction]: Number of co-enabled transitions 176 [2021-03-26 16:36:32,190 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:32,190 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:32,190 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-03-26 16:36:32,191 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 417 transitions, 8428 flow [2021-03-26 16:36:32,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.529411764705882) internal successors, (196), 17 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:32,191 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:32,191 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:32,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-03-26 16:36:32,400 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:32,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:32,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1024227477, now seen corresponding path program 10 times [2021-03-26 16:36:32,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:32,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975485478] [2021-03-26 16:36:32,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:32,425 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 16:36:32,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:32,433 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:32,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:32,442 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:36:32,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:32,451 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 16:36:32,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:32,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,468 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-26 16:36:32,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:32,481 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 16:36:32,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:32,500 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:32,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:32,511 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:32,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:32,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975485478] [2021-03-26 16:36:32,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252821869] [2021-03-26 16:36:32,521 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:32,540 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-26 16:36:32,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:32,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:36:32,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:32,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:32,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:32,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:32,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:32,584 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:36:32,585 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-03-26 16:36:32,586 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-26 16:36:32,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,604 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:32,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:32,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:32,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:32,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:32,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:32,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:32,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:32,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:32,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:32,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:32,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:32,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:32,678 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-03-26 16:36:32,678 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-26 16:36:32,679 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 16:36:32,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:32,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:32,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:32,709 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-26 16:36:32,710 INFO L147 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size 23 [2021-03-26 16:36:32,710 INFO L142 QuantifierPusher]: treesize reduction 17, result has 58.5 percent of original size [2021-03-26 16:36:32,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:32,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:32,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:32,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:32,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:32,729 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:32,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:32,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:32,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:32,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:32,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-26 16:36:32,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853409871] [2021-03-26 16:36:32,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 16:36:32,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:32,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 16:36:32,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2021-03-26 16:36:32,754 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 53 [2021-03-26 16:36:32,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 417 transitions, 8428 flow. Second operand has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:32,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:32,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 53 [2021-03-26 16:36:32,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:33,732 INFO L129 PetriNetUnfolder]: 448/937 cut-off events. [2021-03-26 16:36:33,732 INFO L130 PetriNetUnfolder]: For 45723/45723 co-relation queries the response was YES. [2021-03-26 16:36:33,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11827 conditions, 937 events. 448/937 cut-off events. For 45723/45723 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5507 event pairs, 12 based on Foata normal form. 2/939 useless extension candidates. Maximal degree in co-relation 11743. Up to 454 conditions per place. [2021-03-26 16:36:33,746 INFO L132 encePairwiseOnDemand]: 41/53 looper letters, 243 selfloop transitions, 242 changer transitions 25/514 dead transitions. [2021-03-26 16:36:33,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 514 transitions, 11719 flow [2021-03-26 16:36:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 16:36:33,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 16:36:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 328 transitions. [2021-03-26 16:36:33,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2690730106644791 [2021-03-26 16:36:33,747 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 328 transitions. [2021-03-26 16:36:33,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 328 transitions. [2021-03-26 16:36:33,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:33,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 328 transitions. [2021-03-26 16:36:33,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 14.26086956521739) internal successors, (328), 23 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:33,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 53.0) internal successors, (1272), 24 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:33,750 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 53.0) internal successors, (1272), 24 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:33,750 INFO L185 Difference]: Start difference. First operand has 207 places, 417 transitions, 8428 flow. Second operand 23 states and 328 transitions. [2021-03-26 16:36:33,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 514 transitions, 11719 flow [2021-03-26 16:36:33,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 514 transitions, 11396 flow, removed 140 selfloop flow, removed 9 redundant places. [2021-03-26 16:36:33,915 INFO L241 Difference]: Finished difference. Result has 234 places, 461 transitions, 10197 flow [2021-03-26 16:36:33,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=8197, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=10197, PETRI_PLACES=234, PETRI_TRANSITIONS=461} [2021-03-26 16:36:33,916 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 216 predicate places. [2021-03-26 16:36:33,916 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:33,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 461 transitions, 10197 flow [2021-03-26 16:36:33,917 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 461 transitions, 10197 flow [2021-03-26 16:36:33,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 227 places, 461 transitions, 10197 flow [2021-03-26 16:36:34,044 INFO L129 PetriNetUnfolder]: 351/790 cut-off events. [2021-03-26 16:36:34,044 INFO L130 PetriNetUnfolder]: For 44639/44723 co-relation queries the response was YES. [2021-03-26 16:36:34,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10259 conditions, 790 events. 351/790 cut-off events. For 44639/44723 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4810 event pairs, 10 based on Foata normal form. 22/806 useless extension candidates. Maximal degree in co-relation 10166. Up to 255 conditions per place. [2021-03-26 16:36:34,055 INFO L142 LiptonReduction]: Number of co-enabled transitions 180 [2021-03-26 16:36:34,077 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:34,077 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:34,077 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 161 [2021-03-26 16:36:34,078 INFO L480 AbstractCegarLoop]: Abstraction has has 227 places, 461 transitions, 10197 flow [2021-03-26 16:36:34,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:34,078 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:34,078 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:34,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-26 16:36:34,288 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:34,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:34,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1599769906, now seen corresponding path program 1 times [2021-03-26 16:36:34,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:34,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927573846] [2021-03-26 16:36:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:34,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,320 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size [2021-03-26 16:36:34,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:36:34,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927573846] [2021-03-26 16:36:34,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881477673] [2021-03-26 16:36:34,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:34,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-26 16:36:34,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:34,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:34,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:34,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:34,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:34,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:34,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:34,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:34,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:34,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:34,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:34,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:36:34,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,373 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-26 16:36:34,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,375 INFO L142 QuantifierPusher]: treesize reduction 16, result has 52.9 percent of original size [2021-03-26 16:36:34,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,377 INFO L142 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-03-26 16:36:34,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:36:34,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:34,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:36:34,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,381 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-26 16:36:34,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:36:34,383 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-26 16:36:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:34,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:36:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:36:34,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:34,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-03-26 16:36:34,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868754558] [2021-03-26 16:36:34,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 16:36:34,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:34,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 16:36:34,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-03-26 16:36:34,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 53 [2021-03-26 16:36:34,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 461 transitions, 10197 flow. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:34,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:34,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 53 [2021-03-26 16:36:34,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:34,772 INFO L129 PetriNetUnfolder]: 503/1041 cut-off events. [2021-03-26 16:36:34,772 INFO L130 PetriNetUnfolder]: For 76735/76735 co-relation queries the response was YES. [2021-03-26 16:36:34,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15325 conditions, 1041 events. 503/1041 cut-off events. For 76735/76735 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5993 event pairs, 51 based on Foata normal form. 2/1043 useless extension candidates. Maximal degree in co-relation 15231. Up to 770 conditions per place. [2021-03-26 16:36:34,785 INFO L132 encePairwiseOnDemand]: 47/53 looper letters, 439 selfloop transitions, 89 changer transitions 0/533 dead transitions. [2021-03-26 16:36:34,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 533 transitions, 13184 flow [2021-03-26 16:36:34,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 16:36:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 16:36:34,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 141 transitions. [2021-03-26 16:36:34,786 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38005390835579517 [2021-03-26 16:36:34,786 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 141 transitions. [2021-03-26 16:36:34,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 141 transitions. [2021-03-26 16:36:34,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:34,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 141 transitions. [2021-03-26 16:36:34,787 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) [2021-03-26 16:36:34,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:34,788 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 53.0) internal successors, (424), 8 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:34,788 INFO L185 Difference]: Start difference. First operand has 227 places, 461 transitions, 10197 flow. Second operand 7 states and 141 transitions. [2021-03-26 16:36:34,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 533 transitions, 13184 flow [2021-03-26 16:36:34,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 533 transitions, 12836 flow, removed 158 selfloop flow, removed 11 redundant places. [2021-03-26 16:36:34,989 INFO L241 Difference]: Finished difference. Result has 225 places, 509 transitions, 11552 flow [2021-03-26 16:36:34,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=9885, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=11552, PETRI_PLACES=225, PETRI_TRANSITIONS=509} [2021-03-26 16:36:34,990 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 207 predicate places. [2021-03-26 16:36:34,990 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:34,990 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 509 transitions, 11552 flow [2021-03-26 16:36:34,990 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 509 transitions, 11552 flow [2021-03-26 16:36:34,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 509 transitions, 11552 flow [2021-03-26 16:36:35,125 INFO L129 PetriNetUnfolder]: 401/901 cut-off events. [2021-03-26 16:36:35,125 INFO L130 PetriNetUnfolder]: For 49945/50060 co-relation queries the response was YES. [2021-03-26 16:36:35,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11838 conditions, 901 events. 401/901 cut-off events. For 49945/50060 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5534 event pairs, 18 based on Foata normal form. 18/908 useless extension candidates. Maximal degree in co-relation 11692. Up to 301 conditions per place. [2021-03-26 16:36:35,138 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-26 16:36:35,164 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:35,164 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:35,164 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 174 [2021-03-26 16:36:35,164 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 509 transitions, 11552 flow [2021-03-26 16:36:35,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:35,164 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:35,164 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:35,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-03-26 16:36:35,365 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:35,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:35,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1636528758, now seen corresponding path program 2 times [2021-03-26 16:36:35,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:35,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091365827] [2021-03-26 16:36:35,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:35,386 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:35,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:35,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-26 16:36:35,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:35,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size [2021-03-26 16:36:35,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 16:36:35,425 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.2 percent of original size [2021-03-26 16:36:35,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 16:36:35,444 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-03-26 16:36:35,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:36:35,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:35,476 INFO L142 QuantifierPusher]: treesize reduction 59, result has 35.9 percent of original size [2021-03-26 16:36:35,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:35,502 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-26 16:36:35,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:35,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091365827] [2021-03-26 16:36:35,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580730363] [2021-03-26 16:36:35,510 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 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 [2021-03-26 16:36:35,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:36:35,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:35,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:36:35,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:35,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:35,548 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:35,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:35,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:35,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:35,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:35,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:35,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:35,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:35,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:35,566 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:36:35,566 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-03-26 16:36:35,567 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:36:35,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:35,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:35,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:35,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:35,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:35,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:35,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:35,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:35,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:35,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:35,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:35,619 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-03-26 16:36:35,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 16:36:35,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 16:36:35,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 16:36:35,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-26 16:36:35,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,640 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:35,641 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:35,641 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,647 INFO L147 QuantifierPusher]: treesize reduction 34, result has 50.7 percent of original size 35 [2021-03-26 16:36:35,648 INFO L142 QuantifierPusher]: treesize reduction 34, result has 50.7 percent of original size [2021-03-26 16:36:35,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:35,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:35,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:35,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:35,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:35,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:35,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:35,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:35,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:35,702 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-03-26 16:36:35,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 16:36:35,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 16:36:35,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 16:36:35,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 16:36:35,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,715 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:35,715 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:35,716 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,717 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.8 percent of original size 73 [2021-03-26 16:36:35,717 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.8 percent of original size [2021-03-26 16:36:35,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 16:36:35,792 INFO L142 QuantifierPusher]: treesize reduction 7, result has 88.5 percent of original size [2021-03-26 16:36:35,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 16:36:35,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:35,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:35,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:35,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 16:36:35,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,797 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-26 16:36:35,797 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-26 16:36:35,798 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:35,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:35,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:35,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:35,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:35,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:35,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:35,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:35,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:35,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:35,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:35,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:35,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 15 [2021-03-26 16:36:35,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061073572] [2021-03-26 16:36:35,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-26 16:36:35,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:35,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-26 16:36:35,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-03-26 16:36:35,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 53 [2021-03-26 16:36:35,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 509 transitions, 11552 flow. Second operand has 17 states, 17 states have (on average 11.647058823529411) internal successors, (198), 17 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:35,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:35,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 53 [2021-03-26 16:36:35,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:36,674 INFO L129 PetriNetUnfolder]: 524/1094 cut-off events. [2021-03-26 16:36:36,674 INFO L130 PetriNetUnfolder]: For 73466/73466 co-relation queries the response was YES. [2021-03-26 16:36:36,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15848 conditions, 1094 events. 524/1094 cut-off events. For 73466/73466 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6431 event pairs, 50 based on Foata normal form. 2/1096 useless extension candidates. Maximal degree in co-relation 15694. Up to 920 conditions per place. [2021-03-26 16:36:36,688 INFO L132 encePairwiseOnDemand]: 42/53 looper letters, 456 selfloop transitions, 68 changer transitions 31/559 dead transitions. [2021-03-26 16:36:36,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 559 transitions, 14130 flow [2021-03-26 16:36:36,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 16:36:36,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 16:36:36,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 260 transitions. [2021-03-26 16:36:36,692 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27253668763102723 [2021-03-26 16:36:36,692 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 260 transitions. [2021-03-26 16:36:36,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 260 transitions. [2021-03-26 16:36:36,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:36,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 260 transitions. [2021-03-26 16:36:36,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 14.444444444444445) internal successors, (260), 18 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:36,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 53.0) internal successors, (1007), 19 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:36,694 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 53.0) internal successors, (1007), 19 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:36,694 INFO L185 Difference]: Start difference. First operand has 225 places, 509 transitions, 11552 flow. Second operand 18 states and 260 transitions. [2021-03-26 16:36:36,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 559 transitions, 14130 flow [2021-03-26 16:36:36,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 559 transitions, 14022 flow, removed 54 selfloop flow, removed 0 redundant places. [2021-03-26 16:36:36,929 INFO L241 Difference]: Finished difference. Result has 249 places, 504 transitions, 11756 flow [2021-03-26 16:36:36,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=11452, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=11756, PETRI_PLACES=249, PETRI_TRANSITIONS=504} [2021-03-26 16:36:36,930 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 231 predicate places. [2021-03-26 16:36:36,930 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:36,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 504 transitions, 11756 flow [2021-03-26 16:36:36,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 504 transitions, 11756 flow [2021-03-26 16:36:36,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 504 transitions, 11756 flow [2021-03-26 16:36:37,067 INFO L129 PetriNetUnfolder]: 409/905 cut-off events. [2021-03-26 16:36:37,067 INFO L130 PetriNetUnfolder]: For 50509/50627 co-relation queries the response was YES. [2021-03-26 16:36:37,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12027 conditions, 905 events. 409/905 cut-off events. For 50509/50627 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5485 event pairs, 22 based on Foata normal form. 19/911 useless extension candidates. Maximal degree in co-relation 11929. Up to 302 conditions per place. [2021-03-26 16:36:37,081 INFO L142 LiptonReduction]: Number of co-enabled transitions 190 [2021-03-26 16:36:37,107 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:37,107 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:37,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 178 [2021-03-26 16:36:37,108 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 504 transitions, 11756 flow [2021-03-26 16:36:37,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.647058823529411) internal successors, (198), 17 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:37,108 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:37,108 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:37,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-26 16:36:37,309 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:37,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:37,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1926641657, now seen corresponding path program 11 times [2021-03-26 16:36:37,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:37,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341472931] [2021-03-26 16:36:37,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:37,340 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:37,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:37,348 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-26 16:36:37,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:37,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size [2021-03-26 16:36:37,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 16:36:37,377 INFO L142 QuantifierPusher]: treesize reduction 38, result has 47.9 percent of original size [2021-03-26 16:36:37,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:37,396 INFO L142 QuantifierPusher]: treesize reduction 42, result has 46.8 percent of original size [2021-03-26 16:36:37,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:37,415 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-03-26 16:36:37,415 INFO L147 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size 39 [2021-03-26 16:36:37,430 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-03-26 16:36:37,431 INFO L147 QuantifierPusher]: treesize reduction 18, result has 67.3 percent of original size 37 [2021-03-26 16:36:37,445 INFO L142 QuantifierPusher]: treesize reduction 59, result has 35.9 percent of original size [2021-03-26 16:36:37,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:37,464 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-26 16:36:37,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 16:36:37,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341472931] [2021-03-26 16:36:37,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005073745] [2021-03-26 16:36:37,472 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 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 [2021-03-26 16:36:37,492 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-26 16:36:37,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:37,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 16:36:37,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:37,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:37,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:37,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:37,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:37,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:37,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:37,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:37,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:37,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:37,533 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:37,534 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:36:37,534 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:36:37,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:37,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:37,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:37,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:37,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:37,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:37,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:37,553 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:36:37,554 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-03-26 16:36:37,554 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:36:37,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:37,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:37,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:37,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:37,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:37,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:37,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:37,582 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-03-26 16:36:37,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:37,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 16:36:37,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 16:36:37,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:37,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 16:36:37,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 16:36:37,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,585 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:37,586 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:37,586 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,587 INFO L147 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size 52 [2021-03-26 16:36:37,588 INFO L142 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size [2021-03-26 16:36:37,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:37,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:37,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 16:36:37,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 16:36:37,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:37,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 16:36:37,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 16:36:37,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,625 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 1] term [2021-03-26 16:36:37,625 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:37,626 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,626 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:37,626 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:37,627 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:37,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:37,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:37,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:37,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:37,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:37,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:37,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:37,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:37,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:37,702 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-03-26 16:36:37,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 16:36:37,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:37,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:37,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 16:36:37,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:37,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:37,737 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.7 percent of original size [2021-03-26 16:36:37,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:37,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 16:36:37,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 16:36:37,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:37,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 16:36:37,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 16:36:37,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,743 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 1] term [2021-03-26 16:36:37,743 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:37,744 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,746 INFO L147 QuantifierPusher]: treesize reduction 6, result has 94.5 percent of original size 103 [2021-03-26 16:36:37,747 INFO L142 QuantifierPusher]: treesize reduction 6, result has 94.5 percent of original size [2021-03-26 16:36:37,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-26 16:36:37,816 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-26 16:36:37,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:37,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:37,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 16:36:37,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:37,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,830 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 16:36:37,830 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:37,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,835 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 16:36:37,835 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:37,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:37,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:36:37,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:37,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:37,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:37,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:37,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:37,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:37,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:37,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:37,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:37,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:37,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:37,891 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:37,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:37,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 18 [2021-03-26 16:36:37,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84074975] [2021-03-26 16:36:37,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 16:36:37,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:37,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 16:36:37,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-03-26 16:36:37,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 53 [2021-03-26 16:36:37,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 504 transitions, 11756 flow. Second operand has 20 states, 20 states have (on average 11.45) internal successors, (229), 20 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:37,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:37,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 53 [2021-03-26 16:36:37,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:38,679 INFO L129 PetriNetUnfolder]: 527/1094 cut-off events. [2021-03-26 16:36:38,679 INFO L130 PetriNetUnfolder]: For 74134/74134 co-relation queries the response was YES. [2021-03-26 16:36:38,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16040 conditions, 1094 events. 527/1094 cut-off events. For 74134/74134 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6378 event pairs, 44 based on Foata normal form. 2/1096 useless extension candidates. Maximal degree in co-relation 15939. Up to 936 conditions per place. [2021-03-26 16:36:38,694 INFO L132 encePairwiseOnDemand]: 43/53 looper letters, 474 selfloop transitions, 66 changer transitions 2/546 dead transitions. [2021-03-26 16:36:38,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 546 transitions, 14210 flow [2021-03-26 16:36:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 16:36:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 16:36:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 242 transitions. [2021-03-26 16:36:38,695 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2685904550499445 [2021-03-26 16:36:38,695 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 242 transitions. [2021-03-26 16:36:38,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 242 transitions. [2021-03-26 16:36:38,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:38,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 242 transitions. [2021-03-26 16:36:38,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 14.235294117647058) internal successors, (242), 17 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:38,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 53.0) internal successors, (954), 18 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:38,697 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 53.0) internal successors, (954), 18 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:38,697 INFO L185 Difference]: Start difference. First operand has 238 places, 504 transitions, 11756 flow. Second operand 17 states and 242 transitions. [2021-03-26 16:36:38,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 546 transitions, 14210 flow [2021-03-26 16:36:38,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 546 transitions, 13907 flow, removed 110 selfloop flow, removed 14 redundant places. [2021-03-26 16:36:38,939 INFO L241 Difference]: Finished difference. Result has 245 places, 523 transitions, 12212 flow [2021-03-26 16:36:38,939 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=11501, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=12212, PETRI_PLACES=245, PETRI_TRANSITIONS=523} [2021-03-26 16:36:38,939 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 227 predicate places. [2021-03-26 16:36:38,939 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:38,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 523 transitions, 12212 flow [2021-03-26 16:36:38,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 523 transitions, 12212 flow [2021-03-26 16:36:38,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 523 transitions, 12212 flow [2021-03-26 16:36:39,086 INFO L129 PetriNetUnfolder]: 429/956 cut-off events. [2021-03-26 16:36:39,086 INFO L130 PetriNetUnfolder]: For 51594/51706 co-relation queries the response was YES. [2021-03-26 16:36:39,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12601 conditions, 956 events. 429/956 cut-off events. For 51594/51706 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5956 event pairs, 19 based on Foata normal form. 42/990 useless extension candidates. Maximal degree in co-relation 12506. Up to 322 conditions per place. [2021-03-26 16:36:39,100 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 16:36:39,127 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:39,127 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:39,127 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 188 [2021-03-26 16:36:39,127 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 523 transitions, 12212 flow [2021-03-26 16:36:39,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.45) internal successors, (229), 20 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:39,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:39,127 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:39,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-03-26 16:36:39,331 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:39,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:39,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1930195975, now seen corresponding path program 12 times [2021-03-26 16:36:39,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:39,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16329994] [2021-03-26 16:36:39,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:39,353 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:39,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,361 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 16:36:39,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,369 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 16:36:39,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:39,384 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 16:36:39,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:39,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:39,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,427 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-03-26 16:36:39,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:39,441 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:36:39,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:39,452 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:39,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,466 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:39,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:39,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16329994] [2021-03-26 16:36:39,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683845512] [2021-03-26 16:36:39,476 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 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 [2021-03-26 16:36:39,491 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-26 16:36:39,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:39,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:36:39,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:39,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,525 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:39,526 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:36:39,526 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:36:39,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:39,543 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:36:39,543 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-03-26 16:36:39,544 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:36:39,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:39,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:39,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:39,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:39,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:39,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:39,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:39,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:39,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:39,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:39,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:39,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:39,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:39,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:39,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:39,652 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-03-26 16:36:39,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:39,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 16:36:39,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 16:36:39,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:39,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 16:36:39,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 16:36:39,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,658 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:39,658 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:39,660 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,661 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size 71 [2021-03-26 16:36:39,662 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-03-26 16:36:39,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 16:36:39,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:39,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:39,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:39,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:39,749 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size [2021-03-26 16:36:39,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 16:36:39,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:39,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:39,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 16:36:39,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:39,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:39,782 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:36:39,782 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-26 16:36:39,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 16:36:39,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:39,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:39,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:39,817 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:39,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:39,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:39,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:39,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:39,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-26 16:36:39,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810790228] [2021-03-26 16:36:39,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-26 16:36:39,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:39,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-26 16:36:39,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2021-03-26 16:36:39,843 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 53 [2021-03-26 16:36:39,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 523 transitions, 12212 flow. Second operand has 22 states, 22 states have (on average 11.363636363636363) internal successors, (250), 22 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:39,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:39,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 53 [2021-03-26 16:36:39,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:40,972 INFO L129 PetriNetUnfolder]: 543/1134 cut-off events. [2021-03-26 16:36:40,973 INFO L130 PetriNetUnfolder]: For 74982/74982 co-relation queries the response was YES. [2021-03-26 16:36:40,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16451 conditions, 1134 events. 543/1134 cut-off events. For 74982/74982 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 6735 event pairs, 20 based on Foata normal form. 2/1136 useless extension candidates. Maximal degree in co-relation 16353. Up to 691 conditions per place. [2021-03-26 16:36:40,984 INFO L132 encePairwiseOnDemand]: 40/53 looper letters, 296 selfloop transitions, 256 changer transitions 35/591 dead transitions. [2021-03-26 16:36:40,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 591 transitions, 15500 flow [2021-03-26 16:36:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-26 16:36:40,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-26 16:36:40,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 382 transitions. [2021-03-26 16:36:40,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2574123989218329 [2021-03-26 16:36:40,987 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 382 transitions. [2021-03-26 16:36:40,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 382 transitions. [2021-03-26 16:36:40,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:40,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 382 transitions. [2021-03-26 16:36:40,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 13.642857142857142) internal successors, (382), 28 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:40,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 53.0) internal successors, (1537), 29 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:40,990 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 53.0) internal successors, (1537), 29 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:40,990 INFO L185 Difference]: Start difference. First operand has 243 places, 523 transitions, 12212 flow. Second operand 28 states and 382 transitions. [2021-03-26 16:36:40,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 591 transitions, 15500 flow [2021-03-26 16:36:41,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 591 transitions, 15278 flow, removed 84 selfloop flow, removed 7 redundant places. [2021-03-26 16:36:41,234 INFO L241 Difference]: Finished difference. Result has 277 places, 540 transitions, 13636 flow [2021-03-26 16:36:41,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=12007, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=13636, PETRI_PLACES=277, PETRI_TRANSITIONS=540} [2021-03-26 16:36:41,235 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 259 predicate places. [2021-03-26 16:36:41,235 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:41,235 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 540 transitions, 13636 flow [2021-03-26 16:36:41,235 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 540 transitions, 13636 flow [2021-03-26 16:36:41,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 257 places, 540 transitions, 13636 flow [2021-03-26 16:36:41,402 INFO L129 PetriNetUnfolder]: 444/970 cut-off events. [2021-03-26 16:36:41,403 INFO L130 PetriNetUnfolder]: For 66556/66682 co-relation queries the response was YES. [2021-03-26 16:36:41,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14073 conditions, 970 events. 444/970 cut-off events. For 66556/66682 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5951 event pairs, 21 based on Foata normal form. 30/990 useless extension candidates. Maximal degree in co-relation 13967. Up to 325 conditions per place. [2021-03-26 16:36:41,419 INFO L142 LiptonReduction]: Number of co-enabled transitions 196 [2021-03-26 16:36:41,501 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:36:41,502 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:36:41,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 267 [2021-03-26 16:36:41,502 INFO L480 AbstractCegarLoop]: Abstraction has has 257 places, 540 transitions, 13651 flow [2021-03-26 16:36:41,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.363636363636363) internal successors, (250), 22 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:41,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:41,502 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:41,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:41,704 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:41,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:41,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1925035559, now seen corresponding path program 13 times [2021-03-26 16:36:41,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:41,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222237680] [2021-03-26 16:36:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:41,722 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:41,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:41,730 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-26 16:36:41,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:41,743 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size [2021-03-26 16:36:41,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 16:36:41,747 INFO L142 QuantifierPusher]: treesize reduction 38, result has 47.9 percent of original size [2021-03-26 16:36:41,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:41,765 INFO L142 QuantifierPusher]: treesize reduction 42, result has 46.8 percent of original size [2021-03-26 16:36:41,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:41,803 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-03-26 16:36:41,803 INFO L147 QuantifierPusher]: treesize reduction 19, result has 67.2 percent of original size 39 [2021-03-26 16:36:41,819 INFO L142 QuantifierPusher]: treesize reduction 60, result has 41.2 percent of original size [2021-03-26 16:36:41,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:36:41,852 INFO L142 QuantifierPusher]: treesize reduction 59, result has 35.9 percent of original size [2021-03-26 16:36:41,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:41,870 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-26 16:36:41,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 16:36:41,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222237680] [2021-03-26 16:36:41,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167831190] [2021-03-26 16:36:41,878 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:41,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 16:36:41,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:41,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:41,918 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:41,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:41,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:41,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:41,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:41,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:41,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:41,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:41,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:41,934 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:41,935 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-03-26 16:36:41,935 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:36:41,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:41,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:41,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:41,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:41,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:41,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:41,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:41,963 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-03-26 16:36:41,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:41,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 16:36:41,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 16:36:41,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:41,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 16:36:41,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 16:36:41,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,967 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:41,967 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:41,967 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:41,969 INFO L147 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size 52 [2021-03-26 16:36:41,969 INFO L142 QuantifierPusher]: treesize reduction 21, result has 71.2 percent of original size [2021-03-26 16:36:41,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:42,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:42,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 16:36:42,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 16:36:42,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:42,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 16:36:42,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 16:36:42,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,005 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 1] term [2021-03-26 16:36:42,005 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:42,006 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,007 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:42,007 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:42,010 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:42,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:42,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:42,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:42,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:42,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:42,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:42,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:42,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:42,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:42,076 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.7 percent of original size [2021-03-26 16:36:42,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:42,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 16:36:42,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 16:36:42,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:42,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 16:36:42,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 16:36:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,081 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 1] term [2021-03-26 16:36:42,081 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:42,081 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,083 INFO L147 QuantifierPusher]: treesize reduction 6, result has 94.6 percent of original size 105 [2021-03-26 16:36:42,084 INFO L142 QuantifierPusher]: treesize reduction 6, result has 94.6 percent of original size [2021-03-26 16:36:42,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-03-26 16:36:42,162 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-26 16:36:42,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:42,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:42,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:42,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 16:36:42,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 16:36:42,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 16:36:42,196 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-26 16:36:42,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 16:36:42,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:42,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 16:36:42,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-26 16:36:42,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,210 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 16:36:42,211 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:42,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,212 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-26 16:36:42,213 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:42,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:42,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:36:42,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:42,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:42,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:42,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:42,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:42,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:42,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:42,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:42,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:42,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:42,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:42,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:42,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:42,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 17 [2021-03-26 16:36:42,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029001332] [2021-03-26 16:36:42,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-26 16:36:42,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:42,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-26 16:36:42,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2021-03-26 16:36:42,257 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 54 [2021-03-26 16:36:42,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 540 transitions, 13651 flow. Second operand has 19 states, 19 states have (on average 11.526315789473685) internal successors, (219), 19 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:42,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:42,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 54 [2021-03-26 16:36:42,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:43,222 INFO L129 PetriNetUnfolder]: 564/1162 cut-off events. [2021-03-26 16:36:43,222 INFO L130 PetriNetUnfolder]: For 100568/100568 co-relation queries the response was YES. [2021-03-26 16:36:43,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18735 conditions, 1162 events. 564/1162 cut-off events. For 100568/100568 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 6813 event pairs, 38 based on Foata normal form. 2/1164 useless extension candidates. Maximal degree in co-relation 18626. Up to 914 conditions per place. [2021-03-26 16:36:43,245 INFO L132 encePairwiseOnDemand]: 44/54 looper letters, 468 selfloop transitions, 133 changer transitions 6/611 dead transitions. [2021-03-26 16:36:43,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 611 transitions, 17413 flow [2021-03-26 16:36:43,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 16:36:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 16:36:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 287 transitions. [2021-03-26 16:36:43,246 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2657407407407407 [2021-03-26 16:36:43,246 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 287 transitions. [2021-03-26 16:36:43,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 287 transitions. [2021-03-26 16:36:43,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:43,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 287 transitions. [2021-03-26 16:36:43,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 14.35) internal successors, (287), 20 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:43,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 54.0) internal successors, (1134), 21 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:43,248 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 54.0) internal successors, (1134), 21 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:43,248 INFO L185 Difference]: Start difference. First operand has 257 places, 540 transitions, 13651 flow. Second operand 20 states and 287 transitions. [2021-03-26 16:36:43,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 611 transitions, 17413 flow [2021-03-26 16:36:43,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 611 transitions, 16660 flow, removed 342 selfloop flow, removed 17 redundant places. [2021-03-26 16:36:43,599 INFO L241 Difference]: Finished difference. Result has 265 places, 568 transitions, 14457 flow [2021-03-26 16:36:43,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=13182, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=14457, PETRI_PLACES=265, PETRI_TRANSITIONS=568} [2021-03-26 16:36:43,600 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 247 predicate places. [2021-03-26 16:36:43,600 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:43,600 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 568 transitions, 14457 flow [2021-03-26 16:36:43,601 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 568 transitions, 14457 flow [2021-03-26 16:36:43,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 568 transitions, 14457 flow [2021-03-26 16:36:43,798 INFO L129 PetriNetUnfolder]: 474/1031 cut-off events. [2021-03-26 16:36:43,798 INFO L130 PetriNetUnfolder]: For 61368/61500 co-relation queries the response was YES. [2021-03-26 16:36:43,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14637 conditions, 1031 events. 474/1031 cut-off events. For 61368/61500 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 6390 event pairs, 19 based on Foata normal form. 36/1056 useless extension candidates. Maximal degree in co-relation 14536. Up to 345 conditions per place. [2021-03-26 16:36:43,820 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-26 16:36:43,853 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:43,853 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:43,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 253 [2021-03-26 16:36:43,854 INFO L480 AbstractCegarLoop]: Abstraction has has 263 places, 568 transitions, 14457 flow [2021-03-26 16:36:43,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.526315789473685) internal successors, (219), 19 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:43,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:43,854 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:44,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-03-26 16:36:44,057 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:44,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:44,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1486905895, now seen corresponding path program 14 times [2021-03-26 16:36:44,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:44,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873384547] [2021-03-26 16:36:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:44,087 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:44,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,095 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-26 16:36:44,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,105 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 16:36:44,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:44,121 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 16:36:44,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:44,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:44,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,171 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-03-26 16:36:44,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:44,188 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 16:36:44,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:44,209 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:44,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,227 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:44,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:44,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873384547] [2021-03-26 16:36:44,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939259081] [2021-03-26 16:36:44,242 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:44,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:36:44,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:44,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:36:44,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:44,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,289 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-26 16:36:44,290 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:36:44,290 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:36:44,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:44,311 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:36:44,312 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-03-26 16:36:44,312 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:36:44,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:44,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:44,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:44,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:44,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:44,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:44,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:44,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:44,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:44,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:44,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:36:44,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:44,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:44,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:44,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:44,416 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-03-26 16:36:44,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:44,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 16:36:44,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 16:36:44,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:44,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 16:36:44,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-26 16:36:44,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,422 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:44,422 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:44,423 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,424 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size 71 [2021-03-26 16:36:44,425 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-03-26 16:36:44,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 16:36:44,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:44,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:44,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:44,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:36:44,533 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-03-26 16:36:44,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:44,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 16:36:44,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 16:36:44,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:44,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 16:36:44,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 16:36:44,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:44,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,542 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:44,542 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:44,543 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 16:36:44,546 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 1] term [2021-03-26 16:36:44,547 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:44,548 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,549 INFO L147 QuantifierPusher]: treesize reduction 25, result has 71.9 percent of original size 64 [2021-03-26 16:36:44,550 INFO L142 QuantifierPusher]: treesize reduction 25, result has 71.9 percent of original size [2021-03-26 16:36:44,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-26 16:36:44,596 INFO L142 QuantifierPusher]: treesize reduction 42, result has 38.2 percent of original size [2021-03-26 16:36:44,596 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size 23 [2021-03-26 16:36:44,597 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-26 16:36:44,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:44,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:44,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:44,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:44,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:44,619 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:44,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:44,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:44,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:44,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:44,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-26 16:36:44,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442058830] [2021-03-26 16:36:44,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-26 16:36:44,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:44,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-26 16:36:44,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2021-03-26 16:36:44,647 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 54 [2021-03-26 16:36:44,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 568 transitions, 14457 flow. Second operand has 22 states, 22 states have (on average 11.363636363636363) internal successors, (250), 22 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:44,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:44,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 54 [2021-03-26 16:36:44,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:46,064 INFO L129 PetriNetUnfolder]: 578/1196 cut-off events. [2021-03-26 16:36:46,065 INFO L130 PetriNetUnfolder]: For 89482/89482 co-relation queries the response was YES. [2021-03-26 16:36:46,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18560 conditions, 1196 events. 578/1196 cut-off events. For 89482/89482 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7121 event pairs, 10 based on Foata normal form. 2/1198 useless extension candidates. Maximal degree in co-relation 18456. Up to 496 conditions per place. [2021-03-26 16:36:46,079 INFO L132 encePairwiseOnDemand]: 41/54 looper letters, 211 selfloop transitions, 374 changer transitions 31/620 dead transitions. [2021-03-26 16:36:46,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 620 transitions, 17442 flow [2021-03-26 16:36:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-26 16:36:46,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-26 16:36:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 376 transitions. [2021-03-26 16:36:46,080 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2578875171467764 [2021-03-26 16:36:46,080 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 376 transitions. [2021-03-26 16:36:46,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 376 transitions. [2021-03-26 16:36:46,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:46,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 376 transitions. [2021-03-26 16:36:46,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 13.925925925925926) internal successors, (376), 27 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:46,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 54.0) internal successors, (1512), 28 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:46,082 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 54.0) internal successors, (1512), 28 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:46,082 INFO L185 Difference]: Start difference. First operand has 263 places, 568 transitions, 14457 flow. Second operand 27 states and 376 transitions. [2021-03-26 16:36:46,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 620 transitions, 17442 flow [2021-03-26 16:36:46,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 620 transitions, 17031 flow, removed 162 selfloop flow, removed 15 redundant places. [2021-03-26 16:36:46,378 INFO L241 Difference]: Finished difference. Result has 279 places, 568 transitions, 15469 flow [2021-03-26 16:36:46,378 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=14180, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=354, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=15469, PETRI_PLACES=279, PETRI_TRANSITIONS=568} [2021-03-26 16:36:46,378 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 261 predicate places. [2021-03-26 16:36:46,378 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:46,378 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 279 places, 568 transitions, 15469 flow [2021-03-26 16:36:46,379 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 279 places, 568 transitions, 15469 flow [2021-03-26 16:36:46,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 568 transitions, 15469 flow [2021-03-26 16:36:46,551 INFO L129 PetriNetUnfolder]: 460/1008 cut-off events. [2021-03-26 16:36:46,551 INFO L130 PetriNetUnfolder]: For 56687/56817 co-relation queries the response was YES. [2021-03-26 16:36:46,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14633 conditions, 1008 events. 460/1008 cut-off events. For 56687/56817 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6227 event pairs, 16 based on Foata normal form. 29/1029 useless extension candidates. Maximal degree in co-relation 14532. Up to 335 conditions per place. [2021-03-26 16:36:46,566 INFO L142 LiptonReduction]: Number of co-enabled transitions 216 [2021-03-26 16:36:46,600 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:36:46,601 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:36:46,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 223 [2021-03-26 16:36:46,601 INFO L480 AbstractCegarLoop]: Abstraction has has 259 places, 568 transitions, 15469 flow [2021-03-26 16:36:46,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.363636363636363) internal successors, (250), 22 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:46,601 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:46,601 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:46,802 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:46,802 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:46,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:46,802 INFO L82 PathProgramCache]: Analyzing trace with hash 2057141879, now seen corresponding path program 2 times [2021-03-26 16:36:46,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:46,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623366200] [2021-03-26 16:36:46,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:46,817 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:36:46,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:46,825 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:36:46,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:46,856 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 16:36:46,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:46,870 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-26 16:36:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:46,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:46,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:46,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:46,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:46,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:46,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:46,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:46,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:46,949 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:36:46,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:46,965 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:46,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:46,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623366200] [2021-03-26 16:36:46,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701079102] [2021-03-26 16:36:46,976 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:46,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:36:46,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:46,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:36:46,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:46,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:46,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:46,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:46,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:46,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:47,024 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:36:47,025 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 16:36:47,025 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 16:36:47,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:47,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,084 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:47,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:47,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:47,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:47,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:47,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:47,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:47,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,089 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:47,089 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:47,090 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:47,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:47,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:47,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:36:47,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:47,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:47,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:36:47,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:47,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:47,159 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:47,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:47,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:47,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:47,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:47,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,181 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:47,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:47,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:47,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:47,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:47,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:47,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:47,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,185 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:47,185 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:47,186 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:47,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:47,224 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:47,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:47,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:47,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:47,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:47,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:47,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:47,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-26 16:36:47,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859622735] [2021-03-26 16:36:47,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-26 16:36:47,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:47,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-26 16:36:47,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2021-03-26 16:36:47,257 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 54 [2021-03-26 16:36:47,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 568 transitions, 15469 flow. Second operand has 22 states, 22 states have (on average 11.363636363636363) internal successors, (250), 22 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:47,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:47,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 54 [2021-03-26 16:36:47,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:48,264 INFO L129 PetriNetUnfolder]: 616/1263 cut-off events. [2021-03-26 16:36:48,265 INFO L130 PetriNetUnfolder]: For 83470/83470 co-relation queries the response was YES. [2021-03-26 16:36:48,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19950 conditions, 1263 events. 616/1263 cut-off events. For 83470/83470 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7429 event pairs, 43 based on Foata normal form. 2/1265 useless extension candidates. Maximal degree in co-relation 19846. Up to 931 conditions per place. [2021-03-26 16:36:48,280 INFO L132 encePairwiseOnDemand]: 43/54 looper letters, 517 selfloop transitions, 126 changer transitions 2/649 dead transitions. [2021-03-26 16:36:48,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 649 transitions, 19452 flow [2021-03-26 16:36:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-26 16:36:48,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-26 16:36:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 353 transitions. [2021-03-26 16:36:48,281 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2514245014245014 [2021-03-26 16:36:48,281 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 353 transitions. [2021-03-26 16:36:48,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 353 transitions. [2021-03-26 16:36:48,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:48,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 353 transitions. [2021-03-26 16:36:48,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 13.576923076923077) internal successors, (353), 26 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:48,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 54.0) internal successors, (1458), 27 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:48,283 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 54.0) internal successors, (1458), 27 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:48,283 INFO L185 Difference]: Start difference. First operand has 259 places, 568 transitions, 15469 flow. Second operand 26 states and 353 transitions. [2021-03-26 16:36:48,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 649 transitions, 19452 flow [2021-03-26 16:36:48,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 649 transitions, 18794 flow, removed 84 selfloop flow, removed 22 redundant places. [2021-03-26 16:36:48,620 INFO L241 Difference]: Finished difference. Result has 274 places, 608 transitions, 16653 flow [2021-03-26 16:36:48,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=14844, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=16653, PETRI_PLACES=274, PETRI_TRANSITIONS=608} [2021-03-26 16:36:48,620 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 256 predicate places. [2021-03-26 16:36:48,621 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:48,621 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 608 transitions, 16653 flow [2021-03-26 16:36:48,621 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 608 transitions, 16653 flow [2021-03-26 16:36:48,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 272 places, 608 transitions, 16653 flow [2021-03-26 16:36:48,899 INFO L129 PetriNetUnfolder]: 503/1100 cut-off events. [2021-03-26 16:36:48,899 INFO L130 PetriNetUnfolder]: For 64031/64205 co-relation queries the response was YES. [2021-03-26 16:36:48,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16217 conditions, 1100 events. 503/1100 cut-off events. For 64031/64205 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 6919 event pairs, 21 based on Foata normal form. 54/1143 useless extension candidates. Maximal degree in co-relation 16114. Up to 374 conditions per place. [2021-03-26 16:36:48,918 INFO L142 LiptonReduction]: Number of co-enabled transitions 232 [2021-03-26 16:36:49,217 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 16:36:49,217 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 16:36:49,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 596 [2021-03-26 16:36:49,217 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 608 transitions, 16722 flow [2021-03-26 16:36:49,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.363636363636363) internal successors, (250), 22 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:49,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:49,218 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:49,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-03-26 16:36:49,419 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:49,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:49,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1711581679, now seen corresponding path program 3 times [2021-03-26 16:36:49,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:49,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96993120] [2021-03-26 16:36:49,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:49,447 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:36:49,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:49,456 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:49,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:49,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:49,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:49,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:49,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:49,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:49,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:49,564 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:49,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:49,577 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 16:36:49,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,587 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 16:36:49,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:49,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96993120] [2021-03-26 16:36:49,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106106796] [2021-03-26 16:36:49,595 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:49,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-26 16:36:49,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:36:49,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-26 16:36:49,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:49,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:49,632 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:36:49,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:49,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:49,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:49,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:49,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:49,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:49,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:49,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:49,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:49,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:49,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:49,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:49,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:49,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:49,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:49,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:49,724 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:49,745 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-26 16:36:49,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 16:36:49,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:49,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:49,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 16:36:49,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,748 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:49,749 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:49,749 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:49,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:49,781 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-26 16:36:49,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:49,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:49,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:36:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:49,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:36:49,808 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:49,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:49,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:49,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,811 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:49,812 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:49,812 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:49,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:49,839 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:49,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:49,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:49,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:49,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:49,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:49,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:49,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:49,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-03-26 16:36:49,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155365081] [2021-03-26 16:36:49,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-26 16:36:49,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:49,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-26 16:36:49,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2021-03-26 16:36:49,874 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 59 [2021-03-26 16:36:49,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 608 transitions, 16722 flow. Second operand has 24 states, 24 states have (on average 11.25) internal successors, (270), 24 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:49,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:49,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 59 [2021-03-26 16:36:49,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:50,716 INFO L129 PetriNetUnfolder]: 694/1431 cut-off events. [2021-03-26 16:36:50,716 INFO L130 PetriNetUnfolder]: For 99364/99364 co-relation queries the response was YES. [2021-03-26 16:36:50,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23100 conditions, 1431 events. 694/1431 cut-off events. For 99364/99364 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8807 event pairs, 56 based on Foata normal form. 2/1433 useless extension candidates. Maximal degree in co-relation 22994. Up to 1144 conditions per place. [2021-03-26 16:36:50,732 INFO L132 encePairwiseOnDemand]: 47/59 looper letters, 584 selfloop transitions, 113 changer transitions 2/703 dead transitions. [2021-03-26 16:36:50,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 703 transitions, 21374 flow [2021-03-26 16:36:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-26 16:36:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-26 16:36:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 290 transitions. [2021-03-26 16:36:50,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23405972558514931 [2021-03-26 16:36:50,733 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 290 transitions. [2021-03-26 16:36:50,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 290 transitions. [2021-03-26 16:36:50,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:50,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 290 transitions. [2021-03-26 16:36:50,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 13.80952380952381) internal successors, (290), 21 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:50,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 59.0) internal successors, (1298), 22 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:50,735 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 59.0) internal successors, (1298), 22 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:50,735 INFO L185 Difference]: Start difference. First operand has 272 places, 608 transitions, 16722 flow. Second operand 21 states and 290 transitions. [2021-03-26 16:36:50,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 703 transitions, 21374 flow [2021-03-26 16:36:51,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 703 transitions, 20971 flow, removed 185 selfloop flow, removed 8 redundant places. [2021-03-26 16:36:51,118 INFO L241 Difference]: Finished difference. Result has 291 places, 661 transitions, 18578 flow [2021-03-26 16:36:51,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=16339, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=18578, PETRI_PLACES=291, PETRI_TRANSITIONS=661} [2021-03-26 16:36:51,119 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 273 predicate places. [2021-03-26 16:36:51,119 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:51,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 291 places, 661 transitions, 18578 flow [2021-03-26 16:36:51,120 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 291 places, 661 transitions, 18578 flow [2021-03-26 16:36:51,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 289 places, 661 transitions, 18578 flow [2021-03-26 16:36:51,432 INFO L129 PetriNetUnfolder]: 556/1227 cut-off events. [2021-03-26 16:36:51,432 INFO L130 PetriNetUnfolder]: For 78175/78392 co-relation queries the response was YES. [2021-03-26 16:36:51,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18631 conditions, 1227 events. 556/1227 cut-off events. For 78175/78392 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8028 event pairs, 27 based on Foata normal form. 82/1294 useless extension candidates. Maximal degree in co-relation 18522. Up to 411 conditions per place. [2021-03-26 16:36:51,454 INFO L142 LiptonReduction]: Number of co-enabled transitions 248 [2021-03-26 16:36:51,702 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:36:51,702 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:36:51,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 583 [2021-03-26 16:36:51,703 INFO L480 AbstractCegarLoop]: Abstraction has has 289 places, 661 transitions, 18618 flow [2021-03-26 16:36:51,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.25) internal successors, (270), 24 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:51,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:51,703 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:51,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:51,906 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:51,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:51,907 INFO L82 PathProgramCache]: Analyzing trace with hash -615857358, now seen corresponding path program 1 times [2021-03-26 16:36:51,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:51,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451628639] [2021-03-26 16:36:51,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:51,929 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:36:51,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:51,937 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:51,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:51,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:51,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:51,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:51,989 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 16:36:51,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:52,006 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:52,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:52,022 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 16:36:52,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,041 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 16:36:52,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:52,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451628639] [2021-03-26 16:36:52,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205432504] [2021-03-26 16:36:52,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:36:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:52,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:36:52,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:52,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:52,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:52,108 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:36:52,108 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 16:36:52,108 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 16:36:52,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:52,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:52,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:52,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:52,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:52,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:52,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:36:52,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:52,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:52,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:52,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:52,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:52,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:52,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:52,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:52,153 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:36:52,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:52,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:52,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:36:52,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:52,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:52,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:36:52,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,157 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:52,157 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:52,158 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:52,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:52,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:52,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:52,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:52,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:52,196 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:52,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:52,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:52,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:52,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:52,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,214 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:36:52,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:52,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:52,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:52,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:52,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:52,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:36:52,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,218 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:52,218 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:52,219 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:52,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:36:52,246 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:52,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:52,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:52,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:52,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:52,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:52,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:52,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:52,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 17 [2021-03-26 16:36:52,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021995951] [2021-03-26 16:36:52,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-26 16:36:52,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:52,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-26 16:36:52,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2021-03-26 16:36:52,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 61 [2021-03-26 16:36:52,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 661 transitions, 18618 flow. Second operand has 19 states, 19 states have (on average 11.368421052631579) internal successors, (216), 19 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:52,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:52,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 61 [2021-03-26 16:36:52,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:53,629 INFO L129 PetriNetUnfolder]: 751/1542 cut-off events. [2021-03-26 16:36:53,629 INFO L130 PetriNetUnfolder]: For 118798/118798 co-relation queries the response was YES. [2021-03-26 16:36:53,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25581 conditions, 1542 events. 751/1542 cut-off events. For 118798/118798 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 9613 event pairs, 41 based on Foata normal form. 2/1544 useless extension candidates. Maximal degree in co-relation 25469. Up to 889 conditions per place. [2021-03-26 16:36:53,707 INFO L132 encePairwiseOnDemand]: 43/61 looper letters, 467 selfloop transitions, 293 changer transitions 2/766 dead transitions. [2021-03-26 16:36:53,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 766 transitions, 23858 flow [2021-03-26 16:36:53,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-26 16:36:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-26 16:36:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 385 transitions. [2021-03-26 16:36:53,713 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.23375834851244687 [2021-03-26 16:36:53,713 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 385 transitions. [2021-03-26 16:36:53,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 385 transitions. [2021-03-26 16:36:53,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:53,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 385 transitions. [2021-03-26 16:36:53,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 14.25925925925926) internal successors, (385), 27 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:53,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 61.0) internal successors, (1708), 28 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:53,719 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 61.0) internal successors, (1708), 28 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:53,719 INFO L185 Difference]: Start difference. First operand has 289 places, 661 transitions, 18618 flow. Second operand 27 states and 385 transitions. [2021-03-26 16:36:53,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 766 transitions, 23858 flow [2021-03-26 16:36:54,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 766 transitions, 23436 flow, removed 191 selfloop flow, removed 8 redundant places. [2021-03-26 16:36:54,111 INFO L241 Difference]: Finished difference. Result has 317 places, 715 transitions, 21155 flow [2021-03-26 16:36:54,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=18293, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=661, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=242, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=21155, PETRI_PLACES=317, PETRI_TRANSITIONS=715} [2021-03-26 16:36:54,112 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 299 predicate places. [2021-03-26 16:36:54,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:54,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 715 transitions, 21155 flow [2021-03-26 16:36:54,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 715 transitions, 21155 flow [2021-03-26 16:36:54,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 715 transitions, 21155 flow [2021-03-26 16:36:54,441 INFO L129 PetriNetUnfolder]: 611/1334 cut-off events. [2021-03-26 16:36:54,441 INFO L130 PetriNetUnfolder]: For 97590/98050 co-relation queries the response was YES. [2021-03-26 16:36:54,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21220 conditions, 1334 events. 611/1334 cut-off events. For 97590/98050 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8765 event pairs, 34 based on Foata normal form. 100/1418 useless extension candidates. Maximal degree in co-relation 21103. Up to 454 conditions per place. [2021-03-26 16:36:54,465 INFO L142 LiptonReduction]: Number of co-enabled transitions 288 [2021-03-26 16:36:54,749 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-26 16:36:54,750 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 16:36:54,750 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 638 [2021-03-26 16:36:54,750 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 715 transitions, 21194 flow [2021-03-26 16:36:54,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.368421052631579) internal successors, (216), 19 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:54,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:54,750 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:54,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-03-26 16:36:54,952 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:54,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:54,953 INFO L82 PathProgramCache]: Analyzing trace with hash 961623025, now seen corresponding path program 1 times [2021-03-26 16:36:54,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:54,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859630148] [2021-03-26 16:36:54,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:54,964 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:36:54,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:54,973 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:36:54,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:54,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:54,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:55,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:55,013 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 16:36:55,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:36:55,029 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-03-26 16:36:55,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:55,053 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 16:36:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,066 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 16:36:55,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:55,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859630148] [2021-03-26 16:36:55,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732209135] [2021-03-26 16:36:55,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:36:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:55,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-26 16:36:55,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:55,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:55,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:55,127 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:36:55,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:55,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:55,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:55,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:55,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:55,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:55,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:55,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:55,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:55,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:55,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:55,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:55,164 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:36:55,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:55,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:55,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:36:55,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:55,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:36:55,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:36:55,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,170 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:55,170 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:55,171 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:55,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:55,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:55,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:55,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:55,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:55,225 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:36:55,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:55,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:55,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:55,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:55,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:55,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:36:55,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,230 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:36:55,230 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:36:55,231 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:55,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:36:55,265 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:55,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:55,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:55,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:55,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:55,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:55,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:55,291 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:36:55,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:55,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:55,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:55,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:55,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:55,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:55,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:55,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2021-03-26 16:36:55,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781396145] [2021-03-26 16:36:55,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-26 16:36:55,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:55,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-26 16:36:55,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2021-03-26 16:36:55,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 68 [2021-03-26 16:36:55,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 715 transitions, 21194 flow. Second operand has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 17 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) [2021-03-26 16:36:55,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:55,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 68 [2021-03-26 16:36:55,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:36:56,901 INFO L129 PetriNetUnfolder]: 884/1835 cut-off events. [2021-03-26 16:36:56,901 INFO L130 PetriNetUnfolder]: For 154494/154494 co-relation queries the response was YES. [2021-03-26 16:36:56,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31395 conditions, 1835 events. 884/1835 cut-off events. For 154494/154494 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 11953 event pairs, 40 based on Foata normal form. 1/1836 useless extension candidates. Maximal degree in co-relation 31275. Up to 688 conditions per place. [2021-03-26 16:36:56,928 INFO L132 encePairwiseOnDemand]: 41/68 looper letters, 261 selfloop transitions, 662 changer transitions 3/930 dead transitions. [2021-03-26 16:36:56,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 930 transitions, 29257 flow [2021-03-26 16:36:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-26 16:36:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-26 16:36:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 343 transitions. [2021-03-26 16:36:56,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.21930946291560102 [2021-03-26 16:36:56,930 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 343 transitions. [2021-03-26 16:36:56,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 343 transitions. [2021-03-26 16:36:56,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:36:56,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 343 transitions. [2021-03-26 16:36:56,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 14.91304347826087) internal successors, (343), 23 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:56,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 68.0) internal successors, (1632), 24 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:56,932 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 68.0) internal successors, (1632), 24 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:56,932 INFO L185 Difference]: Start difference. First operand has 315 places, 715 transitions, 21194 flow. Second operand 23 states and 343 transitions. [2021-03-26 16:36:56,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 930 transitions, 29257 flow [2021-03-26 16:36:57,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 930 transitions, 28456 flow, removed 259 selfloop flow, removed 11 redundant places. [2021-03-26 16:36:57,632 INFO L241 Difference]: Finished difference. Result has 333 places, 894 transitions, 27778 flow [2021-03-26 16:36:57,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=20503, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=715, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=512, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=27778, PETRI_PLACES=333, PETRI_TRANSITIONS=894} [2021-03-26 16:36:57,633 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 315 predicate places. [2021-03-26 16:36:57,633 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:36:57,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 894 transitions, 27778 flow [2021-03-26 16:36:57,633 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 894 transitions, 27778 flow [2021-03-26 16:36:57,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 894 transitions, 27778 flow [2021-03-26 16:36:58,099 INFO L129 PetriNetUnfolder]: 796/1696 cut-off events. [2021-03-26 16:36:58,100 INFO L130 PetriNetUnfolder]: For 136349/136474 co-relation queries the response was YES. [2021-03-26 16:36:58,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28905 conditions, 1696 events. 796/1696 cut-off events. For 136349/136474 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 11378 event pairs, 18 based on Foata normal form. 7/1694 useless extension candidates. Maximal degree in co-relation 28787. Up to 610 conditions per place. [2021-03-26 16:36:58,132 INFO L142 LiptonReduction]: Number of co-enabled transitions 194 [2021-03-26 16:36:58,559 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 16:36:58,559 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:36:58,559 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 926 [2021-03-26 16:36:58,560 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 894 transitions, 27819 flow [2021-03-26 16:36:58,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 17 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) [2021-03-26 16:36:58,560 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:36:58,560 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:36:58,763 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:58,764 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:36:58,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:36:58,764 INFO L82 PathProgramCache]: Analyzing trace with hash -218939978, now seen corresponding path program 1 times [2021-03-26 16:36:58,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:36:58,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014056424] [2021-03-26 16:36:58,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:36:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:58,776 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:36:58,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,784 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-26 16:36:58,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:36:58,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:36:58,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:58,830 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-26 16:36:58,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:36:58,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:36:58,858 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:36:58,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:58,872 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:36:58,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:58,885 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:36:58,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:36:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:58,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014056424] [2021-03-26 16:36:58,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864960088] [2021-03-26 16:36:58,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:36:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:36:58,911 WARN L261 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-26 16:36:58,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:36:58,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:36:58,930 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:36:58,930 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-26 16:36:58,930 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:36:58,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:36:58,950 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-26 16:36:58,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:58,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:58,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:58,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:58,969 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-03-26 16:36:58,970 INFO L147 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size 21 [2021-03-26 16:36:58,971 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-03-26 16:36:58,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:58,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:58,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:58,989 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-03-26 16:36:58,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:58,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:58,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:58,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:36:58,993 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 16:36:58,993 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-26 16:36:58,994 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-26 16:36:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:58,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:58,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:58,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:59,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-03-26 16:36:59,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:59,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:36:59,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:36:59,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:36:59,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:59,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:36:59,035 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:36:59,035 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:36:59,035 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:36:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:59,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:59,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:36:59,055 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:36:59,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:36:59,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:36:59,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:36:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:36:59,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:36:59,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 17 [2021-03-26 16:36:59,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384563679] [2021-03-26 16:36:59,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-26 16:36:59,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:36:59,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-26 16:36:59,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-03-26 16:36:59,080 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 70 [2021-03-26 16:36:59,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 894 transitions, 27819 flow. Second operand has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:36:59,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:36:59,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 70 [2021-03-26 16:36:59,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:00,409 INFO L129 PetriNetUnfolder]: 885/1845 cut-off events. [2021-03-26 16:37:00,409 INFO L130 PetriNetUnfolder]: For 164825/164825 co-relation queries the response was YES. [2021-03-26 16:37:00,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33510 conditions, 1845 events. 885/1845 cut-off events. For 164825/164825 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 12109 event pairs, 80 based on Foata normal form. 2/1847 useless extension candidates. Maximal degree in co-relation 33389. Up to 1761 conditions per place. [2021-03-26 16:37:00,434 INFO L132 encePairwiseOnDemand]: 51/70 looper letters, 864 selfloop transitions, 40 changer transitions 4/912 dead transitions. [2021-03-26 16:37:00,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 912 transitions, 30487 flow [2021-03-26 16:37:00,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 16:37:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 16:37:00,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 253 transitions. [2021-03-26 16:37:00,435 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.19022556390977444 [2021-03-26 16:37:00,436 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 253 transitions. [2021-03-26 16:37:00,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 253 transitions. [2021-03-26 16:37:00,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:00,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 253 transitions. [2021-03-26 16:37:00,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 13.31578947368421) internal successors, (253), 19 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:00,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 70.0) internal successors, (1400), 20 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:00,437 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 70.0) internal successors, (1400), 20 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:00,437 INFO L185 Difference]: Start difference. First operand has 332 places, 894 transitions, 27819 flow. Second operand 19 states and 253 transitions. [2021-03-26 16:37:00,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 912 transitions, 30487 flow [2021-03-26 16:37:01,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 912 transitions, 29899 flow, removed 264 selfloop flow, removed 10 redundant places. [2021-03-26 16:37:01,083 INFO L241 Difference]: Finished difference. Result has 343 places, 903 transitions, 27811 flow [2021-03-26 16:37:01,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=27319, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=894, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=859, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=27811, PETRI_PLACES=343, PETRI_TRANSITIONS=903} [2021-03-26 16:37:01,083 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 325 predicate places. [2021-03-26 16:37:01,083 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:01,084 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 343 places, 903 transitions, 27811 flow [2021-03-26 16:37:01,084 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 343 places, 903 transitions, 27811 flow [2021-03-26 16:37:01,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 341 places, 903 transitions, 27811 flow [2021-03-26 16:37:01,507 INFO L129 PetriNetUnfolder]: 795/1703 cut-off events. [2021-03-26 16:37:01,507 INFO L130 PetriNetUnfolder]: For 131802/131924 co-relation queries the response was YES. [2021-03-26 16:37:01,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28367 conditions, 1703 events. 795/1703 cut-off events. For 131802/131924 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 11494 event pairs, 36 based on Foata normal form. 1/1686 useless extension candidates. Maximal degree in co-relation 28247. Up to 622 conditions per place. [2021-03-26 16:37:01,538 INFO L142 LiptonReduction]: Number of co-enabled transitions 194 [2021-03-26 16:37:02,034 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:37:02,034 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 16:37:02,034 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 951 [2021-03-26 16:37:02,035 INFO L480 AbstractCegarLoop]: Abstraction has has 337 places, 899 transitions, 27785 flow [2021-03-26 16:37:02,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:02,035 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:02,035 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:02,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-03-26 16:37:02,235 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:02,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:02,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1920495825, now seen corresponding path program 1 times [2021-03-26 16:37:02,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:02,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898505554] [2021-03-26 16:37:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:02,247 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:37:02,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,255 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:37:02,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:02,273 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-26 16:37:02,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:02,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:02,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:02,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:02,327 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:37:02,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,340 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:37:02,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:02,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898505554] [2021-03-26 16:37:02,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953156583] [2021-03-26 16:37:02,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:02,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:37:02,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:02,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:02,395 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:37:02,396 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-26 16:37:02,396 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:37:02,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:02,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:02,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:02,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:02,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:02,439 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:37:02,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:02,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:37:02,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:37:02,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:02,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:37:02,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:37:02,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,465 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:02,465 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:02,466 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:02,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:02,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:02,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:02,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:02,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:02,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:02,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:02,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:02,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:02,528 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:37:02,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:02,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:02,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:02,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:02,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,547 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:37:02,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:02,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:02,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:37:02,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:02,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:02,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:37:02,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,550 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:02,551 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:02,551 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:37:02,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:37:02,575 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:37:02,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:02,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:02,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:02,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:02,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:02,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-26 16:37:02,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955164582] [2021-03-26 16:37:02,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 16:37:02,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:02,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 16:37:02,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2021-03-26 16:37:02,597 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 74 [2021-03-26 16:37:02,597 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 899 transitions, 27785 flow. Second operand has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:02,597 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:02,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 74 [2021-03-26 16:37:02,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:03,822 INFO L129 PetriNetUnfolder]: 927/1928 cut-off events. [2021-03-26 16:37:03,822 INFO L130 PetriNetUnfolder]: For 151796/151796 co-relation queries the response was YES. [2021-03-26 16:37:03,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34015 conditions, 1928 events. 927/1928 cut-off events. For 151796/151796 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 12734 event pairs, 68 based on Foata normal form. 1/1929 useless extension candidates. Maximal degree in co-relation 33892. Up to 1464 conditions per place. [2021-03-26 16:37:03,904 INFO L132 encePairwiseOnDemand]: 52/74 looper letters, 791 selfloop transitions, 178 changer transitions 1/974 dead transitions. [2021-03-26 16:37:03,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 974 transitions, 32458 flow [2021-03-26 16:37:03,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 16:37:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 16:37:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 268 transitions. [2021-03-26 16:37:03,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2012012012012012 [2021-03-26 16:37:03,909 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 268 transitions. [2021-03-26 16:37:03,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 268 transitions. [2021-03-26 16:37:03,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:03,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 268 transitions. [2021-03-26 16:37:03,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 14.88888888888889) internal successors, (268), 18 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:03,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 74.0) internal successors, (1406), 19 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:03,914 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 74.0) internal successors, (1406), 19 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:03,914 INFO L185 Difference]: Start difference. First operand has 337 places, 899 transitions, 27785 flow. Second operand 18 states and 268 transitions. [2021-03-26 16:37:03,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 974 transitions, 32458 flow [2021-03-26 16:37:04,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 974 transitions, 32038 flow, removed 190 selfloop flow, removed 9 redundant places. [2021-03-26 16:37:04,600 INFO L241 Difference]: Finished difference. Result has 350 places, 928 transitions, 29113 flow [2021-03-26 16:37:04,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=27393, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=899, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=731, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=29113, PETRI_PLACES=350, PETRI_TRANSITIONS=928} [2021-03-26 16:37:04,600 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 332 predicate places. [2021-03-26 16:37:04,601 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:04,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 928 transitions, 29113 flow [2021-03-26 16:37:04,601 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 928 transitions, 29113 flow [2021-03-26 16:37:04,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 349 places, 928 transitions, 29113 flow [2021-03-26 16:37:05,056 INFO L129 PetriNetUnfolder]: 832/1779 cut-off events. [2021-03-26 16:37:05,056 INFO L130 PetriNetUnfolder]: For 145684/145909 co-relation queries the response was YES. [2021-03-26 16:37:05,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30007 conditions, 1779 events. 832/1779 cut-off events. For 145684/145909 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 12099 event pairs, 30 based on Foata normal form. 32/1799 useless extension candidates. Maximal degree in co-relation 29886. Up to 656 conditions per place. [2021-03-26 16:37:05,088 INFO L142 LiptonReduction]: Number of co-enabled transitions 206 [2021-03-26 16:37:05,369 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 16:37:05,369 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:37:05,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 768 [2021-03-26 16:37:05,370 INFO L480 AbstractCegarLoop]: Abstraction has has 349 places, 928 transitions, 29137 flow [2021-03-26 16:37:05,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:05,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:05,370 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:05,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:05,571 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:05,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:05,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1931181391, now seen corresponding path program 2 times [2021-03-26 16:37:05,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:05,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815417811] [2021-03-26 16:37:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:05,582 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:37:05,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:05,591 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:37:05,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:05,609 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-26 16:37:05,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:05,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:05,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:05,640 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-26 16:37:05,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:05,653 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:37:05,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,664 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:37:05,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:05,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815417811] [2021-03-26 16:37:05,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092150760] [2021-03-26 16:37:05,672 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:05,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:37:05,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:37:05,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:37:05,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:05,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:05,708 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:37:05,708 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 16:37:05,709 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 16:37:05,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:05,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:05,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:05,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:05,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:05,740 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:37:05,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:05,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:37:05,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:37:05,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:05,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:37:05,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:37:05,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,744 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:05,744 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:05,745 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:05,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:05,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:05,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:05,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:05,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:05,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:05,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:05,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:05,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:05,796 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:37:05,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:05,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:05,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:05,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:05,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:05,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:05,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,801 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:05,801 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:05,801 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:05,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:05,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:05,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:05,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:05,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:05,830 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 16:37:05,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:37:05,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:05,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:05,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:05,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:05,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:37:05,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:05,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:05,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:05,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2021-03-26 16:37:05,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503546682] [2021-03-26 16:37:05,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-26 16:37:05,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:05,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-26 16:37:05,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-03-26 16:37:05,855 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 76 [2021-03-26 16:37:05,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 928 transitions, 29137 flow. Second operand has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 17 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) [2021-03-26 16:37:05,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:05,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 76 [2021-03-26 16:37:05,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:07,179 INFO L129 PetriNetUnfolder]: 978/2037 cut-off events. [2021-03-26 16:37:07,179 INFO L130 PetriNetUnfolder]: For 165431/165431 co-relation queries the response was YES. [2021-03-26 16:37:07,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36233 conditions, 2037 events. 978/2037 cut-off events. For 165431/165431 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 13643 event pairs, 43 based on Foata normal form. 1/2038 useless extension candidates. Maximal degree in co-relation 36109. Up to 1667 conditions per place. [2021-03-26 16:37:07,218 INFO L132 encePairwiseOnDemand]: 53/76 looper letters, 831 selfloop transitions, 193 changer transitions 3/1031 dead transitions. [2021-03-26 16:37:07,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 1031 transitions, 35025 flow [2021-03-26 16:37:07,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 16:37:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 16:37:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 296 transitions. [2021-03-26 16:37:07,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.20498614958448755 [2021-03-26 16:37:07,219 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 296 transitions. [2021-03-26 16:37:07,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 296 transitions. [2021-03-26 16:37:07,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:07,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 296 transitions. [2021-03-26 16:37:07,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 15.578947368421053) internal successors, (296), 19 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:07,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 76.0) internal successors, (1520), 20 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:07,221 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 76.0) internal successors, (1520), 20 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:07,221 INFO L185 Difference]: Start difference. First operand has 349 places, 928 transitions, 29137 flow. Second operand 19 states and 296 transitions. [2021-03-26 16:37:07,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 1031 transitions, 35025 flow [2021-03-26 16:37:08,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 1031 transitions, 34709 flow, removed 77 selfloop flow, removed 7 redundant places. [2021-03-26 16:37:08,412 INFO L241 Difference]: Finished difference. Result has 368 places, 977 transitions, 31407 flow [2021-03-26 16:37:08,412 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=28827, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=928, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=745, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=31407, PETRI_PLACES=368, PETRI_TRANSITIONS=977} [2021-03-26 16:37:08,412 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 350 predicate places. [2021-03-26 16:37:08,412 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:08,413 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 977 transitions, 31407 flow [2021-03-26 16:37:08,413 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 977 transitions, 31407 flow [2021-03-26 16:37:08,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 367 places, 977 transitions, 31407 flow [2021-03-26 16:37:09,107 INFO L129 PetriNetUnfolder]: 879/1877 cut-off events. [2021-03-26 16:37:09,107 INFO L130 PetriNetUnfolder]: For 168058/168327 co-relation queries the response was YES. [2021-03-26 16:37:09,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32391 conditions, 1877 events. 879/1877 cut-off events. For 168058/168327 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 12910 event pairs, 31 based on Foata normal form. 43/1908 useless extension candidates. Maximal degree in co-relation 32263. Up to 703 conditions per place. [2021-03-26 16:37:09,149 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-26 16:37:09,270 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:37:09,270 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:37:09,270 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 858 [2021-03-26 16:37:09,271 INFO L480 AbstractCegarLoop]: Abstraction has has 367 places, 977 transitions, 31407 flow [2021-03-26 16:37:09,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 17 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) [2021-03-26 16:37:09,271 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:09,271 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:09,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-03-26 16:37:09,471 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:09,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:09,472 INFO L82 PathProgramCache]: Analyzing trace with hash -564670949, now seen corresponding path program 3 times [2021-03-26 16:37:09,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:09,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700412084] [2021-03-26 16:37:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:09,491 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:37:09,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:09,499 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:37:09,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,518 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-26 16:37:09,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:09,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:09,544 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-26 16:37:09,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:09,562 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-26 16:37:09,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:09,581 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:37:09,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,595 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:37:09,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:09,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700412084] [2021-03-26 16:37:09,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549311355] [2021-03-26 16:37:09,605 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:09,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-26 16:37:09,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:37:09,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-26 16:37:09,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:09,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:09,652 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:37:09,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:09,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,695 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:37:09,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:09,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:37:09,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:37:09,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:09,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:37:09,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:37:09,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,700 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:09,700 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:09,701 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:09,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:09,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:09,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:09,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:09,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:09,739 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:37:09,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:09,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:09,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:09,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:09,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:09,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:09,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,744 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:09,745 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:09,745 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:09,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:09,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:09,806 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 16:37:09,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:37:09,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:09,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:09,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:09,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:09,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:37:09,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:09,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:09,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:09,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2021-03-26 16:37:09,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445310188] [2021-03-26 16:37:09,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-26 16:37:09,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:09,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-26 16:37:09,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-03-26 16:37:09,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 76 [2021-03-26 16:37:09,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 977 transitions, 31407 flow. Second operand has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 17 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) [2021-03-26 16:37:09,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:09,842 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 76 [2021-03-26 16:37:09,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:11,518 INFO L129 PetriNetUnfolder]: 1063/2213 cut-off events. [2021-03-26 16:37:11,518 INFO L130 PetriNetUnfolder]: For 193970/193970 co-relation queries the response was YES. [2021-03-26 16:37:11,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40187 conditions, 2213 events. 1063/2213 cut-off events. For 193970/193970 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 15122 event pairs, 56 based on Foata normal form. 1/2214 useless extension candidates. Maximal degree in co-relation 40056. Up to 1786 conditions per place. [2021-03-26 16:37:11,552 INFO L132 encePairwiseOnDemand]: 51/76 looper letters, 895 selfloop transitions, 218 changer transitions 3/1120 dead transitions. [2021-03-26 16:37:11,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 1120 transitions, 39082 flow [2021-03-26 16:37:11,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 16:37:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 16:37:11,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 307 transitions. [2021-03-26 16:37:11,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2126038781163435 [2021-03-26 16:37:11,553 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 307 transitions. [2021-03-26 16:37:11,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 307 transitions. [2021-03-26 16:37:11,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:11,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 307 transitions. [2021-03-26 16:37:11,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 16.157894736842106) internal successors, (307), 19 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:11,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 76.0) internal successors, (1520), 20 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:11,555 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 76.0) internal successors, (1520), 20 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:11,555 INFO L185 Difference]: Start difference. First operand has 367 places, 977 transitions, 31407 flow. Second operand 19 states and 307 transitions. [2021-03-26 16:37:11,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 1120 transitions, 39082 flow [2021-03-26 16:37:12,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 1120 transitions, 38587 flow, removed 216 selfloop flow, removed 9 redundant places. [2021-03-26 16:37:12,543 INFO L241 Difference]: Finished difference. Result has 384 places, 1060 transitions, 35048 flow [2021-03-26 16:37:12,543 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=30926, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=977, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=787, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=35048, PETRI_PLACES=384, PETRI_TRANSITIONS=1060} [2021-03-26 16:37:12,543 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 366 predicate places. [2021-03-26 16:37:12,544 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:12,544 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 384 places, 1060 transitions, 35048 flow [2021-03-26 16:37:12,544 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 384 places, 1060 transitions, 35048 flow [2021-03-26 16:37:12,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 383 places, 1060 transitions, 35048 flow [2021-03-26 16:37:13,125 INFO L129 PetriNetUnfolder]: 962/2056 cut-off events. [2021-03-26 16:37:13,125 INFO L130 PetriNetUnfolder]: For 197022/197292 co-relation queries the response was YES. [2021-03-26 16:37:13,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36385 conditions, 2056 events. 962/2056 cut-off events. For 197022/197292 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 14406 event pairs, 35 based on Foata normal form. 44/2088 useless extension candidates. Maximal degree in co-relation 36249. Up to 765 conditions per place. [2021-03-26 16:37:13,167 INFO L142 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-26 16:37:13,534 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 16:37:13,534 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 16:37:13,534 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 990 [2021-03-26 16:37:13,535 INFO L480 AbstractCegarLoop]: Abstraction has has 383 places, 1060 transitions, 35107 flow [2021-03-26 16:37:13,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.411764705882353) internal successors, (194), 17 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) [2021-03-26 16:37:13,535 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:13,535 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:13,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable81 [2021-03-26 16:37:13,748 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:13,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:13,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1699846388, now seen corresponding path program 1 times [2021-03-26 16:37:13,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:13,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328873306] [2021-03-26 16:37:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:13,775 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:37:13,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:13,783 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-26 16:37:13,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:13,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:13,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:13,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:13,842 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-26 16:37:13,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:13,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:13,879 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:37:13,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:13,898 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:37:13,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:13,917 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:37:13,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:13,933 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:13,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328873306] [2021-03-26 16:37:13,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793353358] [2021-03-26 16:37:13,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:37:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:13,957 WARN L261 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-26 16:37:13,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:13,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:13,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:13,982 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:37:13,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:13,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:13,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:13,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:13,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:14,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:14,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:14,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:14,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:14,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:14,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:14,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:14,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:14,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:14,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:14,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:14,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:14,028 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:37:14,028 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-26 16:37:14,029 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-26 16:37:14,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:14,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:14,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:14,047 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-26 16:37:14,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:14,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:14,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:14,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-26 16:37:14,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:14,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:14,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:14,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:14,083 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:37:14,083 INFO L147 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size 23 [2021-03-26 16:37:14,084 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-03-26 16:37:14,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:14,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:14,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:14,106 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 16:37:14,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:37:14,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:14,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:14,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:14,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:14,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:14,133 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:37:14,134 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:37:14,134 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:37:14,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:14,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:14,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:14,155 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:37:14,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:14,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:14,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:14,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:14,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-26 16:37:14,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660388066] [2021-03-26 16:37:14,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-26 16:37:14,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:14,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-26 16:37:14,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2021-03-26 16:37:14,190 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 79 [2021-03-26 16:37:14,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 1060 transitions, 35107 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:14,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:14,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 79 [2021-03-26 16:37:14,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:15,998 INFO L129 PetriNetUnfolder]: 1065/2225 cut-off events. [2021-03-26 16:37:15,998 INFO L130 PetriNetUnfolder]: For 207872/207872 co-relation queries the response was YES. [2021-03-26 16:37:16,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41301 conditions, 2225 events. 1065/2225 cut-off events. For 207872/207872 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 15317 event pairs, 111 based on Foata normal form. 2/2227 useless extension candidates. Maximal degree in co-relation 41162. Up to 2118 conditions per place. [2021-03-26 16:37:16,032 INFO L132 encePairwiseOnDemand]: 54/79 looper letters, 1008 selfloop transitions, 69 changer transitions 4/1085 dead transitions. [2021-03-26 16:37:16,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 1085 transitions, 38433 flow [2021-03-26 16:37:16,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-26 16:37:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-26 16:37:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 324 transitions. [2021-03-26 16:37:16,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17088607594936708 [2021-03-26 16:37:16,034 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 324 transitions. [2021-03-26 16:37:16,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 324 transitions. [2021-03-26 16:37:16,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:16,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 324 transitions. [2021-03-26 16:37:16,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 13.5) internal successors, (324), 24 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:16,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 79.0) internal successors, (1975), 25 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:16,036 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 79.0) internal successors, (1975), 25 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:16,036 INFO L185 Difference]: Start difference. First operand has 383 places, 1060 transitions, 35107 flow. Second operand 24 states and 324 transitions. [2021-03-26 16:37:16,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 1085 transitions, 38433 flow [2021-03-26 16:37:17,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 1085 transitions, 37854 flow, removed 263 selfloop flow, removed 7 redundant places. [2021-03-26 16:37:17,138 INFO L241 Difference]: Finished difference. Result has 402 places, 1073 transitions, 35326 flow [2021-03-26 16:37:17,139 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=34528, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1000, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=35326, PETRI_PLACES=402, PETRI_TRANSITIONS=1073} [2021-03-26 16:37:17,139 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 384 predicate places. [2021-03-26 16:37:17,139 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:17,139 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 1073 transitions, 35326 flow [2021-03-26 16:37:17,139 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 1073 transitions, 35326 flow [2021-03-26 16:37:17,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 400 places, 1073 transitions, 35326 flow [2021-03-26 16:37:17,764 INFO L129 PetriNetUnfolder]: 963/2068 cut-off events. [2021-03-26 16:37:17,764 INFO L130 PetriNetUnfolder]: For 193052/193242 co-relation queries the response was YES. [2021-03-26 16:37:17,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36654 conditions, 2068 events. 963/2068 cut-off events. For 193052/193242 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 14560 event pairs, 36 based on Foata normal form. 19/2067 useless extension candidates. Maximal degree in co-relation 36513. Up to 761 conditions per place. [2021-03-26 16:37:17,807 INFO L142 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-26 16:37:18,404 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:37:18,404 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 16:37:18,404 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1265 [2021-03-26 16:37:18,405 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 1069 transitions, 35290 flow [2021-03-26 16:37:18,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:18,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:18,405 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:18,614 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:18,615 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:18,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:18,615 INFO L82 PathProgramCache]: Analyzing trace with hash 2091869280, now seen corresponding path program 1 times [2021-03-26 16:37:18,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:18,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102654576] [2021-03-26 16:37:18,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:18,632 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:37:18,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:18,639 INFO L142 QuantifierPusher]: treesize reduction 8, result has 81.4 percent of original size [2021-03-26 16:37:18,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:37:18,656 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.6 percent of original size [2021-03-26 16:37:18,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:37:18,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:37:18,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:37:18,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:37:18,740 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.9 percent of original size [2021-03-26 16:37:18,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:37:18,760 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-26 16:37:18,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:18,769 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:18,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102654576] [2021-03-26 16:37:18,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309554296] [2021-03-26 16:37:18,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:18,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-26 16:37:18,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:18,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:18,802 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:37:18,803 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 16:37:18,803 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 16:37:18,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:18,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:18,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:18,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:18,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:18,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:18,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:18,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,834 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:37:18,835 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-26 16:37:18,835 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-26 16:37:18,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:18,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:18,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:18,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:18,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:18,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:18,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:18,854 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:37:18,855 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:37:18,855 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:37:18,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:18,879 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-03-26 16:37:18,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:18,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:18,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:18,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:18,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:18,898 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:37:18,898 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-03-26 16:37:18,906 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-26 16:37:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:37:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:37:18,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:37:18,933 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-26 16:37:18,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:37:18,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:18,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:37:18,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:18,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,936 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:18,936 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:18,936 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:18,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:18,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:18,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:18,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:18,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:18,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:18,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:18,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:18,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:18,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-26 16:37:18,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773185449] [2021-03-26 16:37:18,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 16:37:18,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:18,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 16:37:18,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2021-03-26 16:37:18,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 83 [2021-03-26 16:37:18,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 1069 transitions, 35290 flow. Second operand has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:18,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:18,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 83 [2021-03-26 16:37:18,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:20,916 INFO L129 PetriNetUnfolder]: 1064/2227 cut-off events. [2021-03-26 16:37:20,916 INFO L130 PetriNetUnfolder]: For 208265/208265 co-relation queries the response was YES. [2021-03-26 16:37:20,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41404 conditions, 2227 events. 1064/2227 cut-off events. For 208265/208265 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 15327 event pairs, 111 based on Foata normal form. 2/2229 useless extension candidates. Maximal degree in co-relation 41260. Up to 2134 conditions per place. [2021-03-26 16:37:20,957 INFO L132 encePairwiseOnDemand]: 57/83 looper letters, 1018 selfloop transitions, 64 changer transitions 2/1088 dead transitions. [2021-03-26 16:37:20,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 1088 transitions, 38227 flow [2021-03-26 16:37:20,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 16:37:20,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 16:37:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 239 transitions. [2021-03-26 16:37:20,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17996987951807228 [2021-03-26 16:37:20,959 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 239 transitions. [2021-03-26 16:37:20,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 239 transitions. [2021-03-26 16:37:20,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:20,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 239 transitions. [2021-03-26 16:37:20,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 14.9375) internal successors, (239), 16 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:20,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 83.0) internal successors, (1411), 17 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:20,961 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 83.0) internal successors, (1411), 17 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:20,961 INFO L185 Difference]: Start difference. First operand has 396 places, 1069 transitions, 35290 flow. Second operand 16 states and 239 transitions. [2021-03-26 16:37:20,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 1088 transitions, 38227 flow [2021-03-26 16:37:22,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 1088 transitions, 37490 flow, removed 335 selfloop flow, removed 10 redundant places. [2021-03-26 16:37:22,256 INFO L241 Difference]: Finished difference. Result has 407 places, 1074 transitions, 35017 flow [2021-03-26 16:37:22,257 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=34675, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1069, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1006, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=35017, PETRI_PLACES=407, PETRI_TRANSITIONS=1074} [2021-03-26 16:37:22,257 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 389 predicate places. [2021-03-26 16:37:22,257 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:22,257 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 1074 transitions, 35017 flow [2021-03-26 16:37:22,257 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 1074 transitions, 35017 flow [2021-03-26 16:37:22,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 405 places, 1074 transitions, 35017 flow [2021-03-26 16:37:22,924 INFO L129 PetriNetUnfolder]: 964/2072 cut-off events. [2021-03-26 16:37:22,924 INFO L130 PetriNetUnfolder]: For 192257/192446 co-relation queries the response was YES. [2021-03-26 16:37:22,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36600 conditions, 2072 events. 964/2072 cut-off events. For 192257/192446 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 14611 event pairs, 36 based on Foata normal form. 21/2074 useless extension candidates. Maximal degree in co-relation 36454. Up to 761 conditions per place. [2021-03-26 16:37:22,969 INFO L142 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-26 16:37:23,508 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:37:23,509 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:37:23,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1252 [2021-03-26 16:37:23,509 INFO L480 AbstractCegarLoop]: Abstraction has has 404 places, 1073 transitions, 35017 flow [2021-03-26 16:37:23,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.333333333333334) internal successors, (204), 18 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:23,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:23,509 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:23,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2021-03-26 16:37:23,710 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:23,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:23,710 INFO L82 PathProgramCache]: Analyzing trace with hash -2056662697, now seen corresponding path program 1 times [2021-03-26 16:37:23,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:23,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044588863] [2021-03-26 16:37:23,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:23,722 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:37:23,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:23,730 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-26 16:37:23,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:23,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:23,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:23,774 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 16:37:23,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:23,790 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-26 16:37:23,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:23,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:23,823 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:37:23,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:23,841 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:37:23,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:23,859 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:37:23,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:23,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044588863] [2021-03-26 16:37:23,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190200410] [2021-03-26 16:37:23,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:23,893 WARN L261 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-26 16:37:23,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:23,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:23,922 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:37:23,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:23,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:23,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:23,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:23,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:23,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:23,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:23,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:23,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:23,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:23,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:23,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:23,967 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:37:23,968 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-26 16:37:23,968 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-26 16:37:23,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:23,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:23,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:23,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:23,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:23,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:23,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:23,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:24,002 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:37:24,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:24,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:24,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:24,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:24,024 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:37:24,024 INFO L147 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size 23 [2021-03-26 16:37:24,025 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-03-26 16:37:24,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:24,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:24,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:24,047 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 16:37:24,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:37:24,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:24,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:24,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:24,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:24,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:24,076 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:37:24,077 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-26 16:37:24,077 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 16:37:24,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:24,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:24,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:24,098 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:37:24,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:24,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:24,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:24,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:24,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-26 16:37:24,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332329033] [2021-03-26 16:37:24,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-26 16:37:24,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:24,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-26 16:37:24,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2021-03-26 16:37:24,125 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 85 [2021-03-26 16:37:24,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 1073 transitions, 35017 flow. Second operand has 21 states, 21 states have (on average 11.142857142857142) internal successors, (234), 21 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:24,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:24,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 85 [2021-03-26 16:37:24,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:26,671 INFO L129 PetriNetUnfolder]: 1071/2249 cut-off events. [2021-03-26 16:37:26,672 INFO L130 PetriNetUnfolder]: For 215489/215489 co-relation queries the response was YES. [2021-03-26 16:37:26,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41740 conditions, 2249 events. 1071/2249 cut-off events. For 215489/215489 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 15655 event pairs, 44 based on Foata normal form. 2/2251 useless extension candidates. Maximal degree in co-relation 41591. Up to 1752 conditions per place. [2021-03-26 16:37:26,704 INFO L132 encePairwiseOnDemand]: 48/85 looper letters, 776 selfloop transitions, 338 changer transitions 4/1122 dead transitions. [2021-03-26 16:37:26,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 1122 transitions, 39227 flow [2021-03-26 16:37:26,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-26 16:37:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-26 16:37:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 395 transitions. [2021-03-26 16:37:26,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16596638655462184 [2021-03-26 16:37:26,705 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 395 transitions. [2021-03-26 16:37:26,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 395 transitions. [2021-03-26 16:37:26,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:26,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 395 transitions. [2021-03-26 16:37:26,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 14.107142857142858) internal successors, (395), 28 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:26,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 85.0) internal successors, (2465), 29 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:26,709 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 85.0) internal successors, (2465), 29 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:26,709 INFO L185 Difference]: Start difference. First operand has 404 places, 1073 transitions, 35017 flow. Second operand 28 states and 395 transitions. [2021-03-26 16:37:26,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 1122 transitions, 39227 flow [2021-03-26 16:37:27,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 1122 transitions, 39050 flow, removed 56 selfloop flow, removed 9 redundant places. [2021-03-26 16:37:27,753 INFO L241 Difference]: Finished difference. Result has 432 places, 1106 transitions, 37400 flow [2021-03-26 16:37:27,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=34851, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1073, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=754, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=37400, PETRI_PLACES=432, PETRI_TRANSITIONS=1106} [2021-03-26 16:37:27,753 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 414 predicate places. [2021-03-26 16:37:27,754 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:27,754 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 432 places, 1106 transitions, 37400 flow [2021-03-26 16:37:27,754 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 432 places, 1106 transitions, 37400 flow [2021-03-26 16:37:27,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 430 places, 1106 transitions, 37400 flow [2021-03-26 16:37:28,438 INFO L129 PetriNetUnfolder]: 956/2077 cut-off events. [2021-03-26 16:37:28,439 INFO L130 PetriNetUnfolder]: For 210635/210772 co-relation queries the response was YES. [2021-03-26 16:37:28,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38489 conditions, 2077 events. 956/2077 cut-off events. For 210635/210772 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 14922 event pairs, 39 based on Foata normal form. 4/2059 useless extension candidates. Maximal degree in co-relation 38335. Up to 762 conditions per place. [2021-03-26 16:37:28,485 INFO L142 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-26 16:37:29,100 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:37:29,100 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 16:37:29,100 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1346 [2021-03-26 16:37:29,101 INFO L480 AbstractCegarLoop]: Abstraction has has 426 places, 1102 transitions, 37366 flow [2021-03-26 16:37:29,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.142857142857142) internal successors, (234), 21 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:29,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:29,101 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:29,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:29,322 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:29,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:29,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1005766989, now seen corresponding path program 1 times [2021-03-26 16:37:29,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:29,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897891305] [2021-03-26 16:37:29,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:29,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 16:37:29,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,344 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-03-26 16:37:29,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,344 INFO L142 QuantifierPusher]: treesize reduction 14, result has 17.6 percent of original size [2021-03-26 16:37:29,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,345 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-26 16:37:29,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:37:29,351 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-03-26 16:37:29,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:37:29,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897891305] [2021-03-26 16:37:29,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482367882] [2021-03-26 16:37:29,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:29,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-26 16:37:29,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:29,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,380 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-26 16:37:29,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:37:29,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:37:29,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:37:29,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-26 16:37:29,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:29,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:29,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:29,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:29,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:29,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:29,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:29,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:29,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:29,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 16:37:29,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,400 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-26 16:37:29,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,403 INFO L142 QuantifierPusher]: treesize reduction 8, result has 27.3 percent of original size [2021-03-26 16:37:29,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,405 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-26 16:37:29,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,409 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-26 16:37:29,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 16:37:29,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:29,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 16:37:29,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 16:37:29,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:29,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 16:37:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-26 16:37:29,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:29,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-03-26 16:37:29,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814655837] [2021-03-26 16:37:29,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 16:37:29,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:29,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 16:37:29,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-03-26 16:37:29,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 89 [2021-03-26 16:37:29,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 1102 transitions, 37366 flow. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 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) [2021-03-26 16:37:29,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:29,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 89 [2021-03-26 16:37:29,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:30,942 INFO L129 PetriNetUnfolder]: 1253/2620 cut-off events. [2021-03-26 16:37:30,942 INFO L130 PetriNetUnfolder]: For 293039/293039 co-relation queries the response was YES. [2021-03-26 16:37:30,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52308 conditions, 2620 events. 1253/2620 cut-off events. For 293039/293039 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 18509 event pairs, 24 based on Foata normal form. 2/2622 useless extension candidates. Maximal degree in co-relation 52153. Up to 948 conditions per place. [2021-03-26 16:37:30,986 INFO L132 encePairwiseOnDemand]: 53/89 looper letters, 311 selfloop transitions, 948 changer transitions 0/1264 dead transitions. [2021-03-26 16:37:30,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 1264 transitions, 46344 flow [2021-03-26 16:37:30,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 16:37:30,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 16:37:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 177 transitions. [2021-03-26 16:37:30,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2841091492776886 [2021-03-26 16:37:30,987 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 177 transitions. [2021-03-26 16:37:30,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 177 transitions. [2021-03-26 16:37:30,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:30,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 177 transitions. [2021-03-26 16:37:30,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:30,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 89.0) internal successors, (712), 8 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:30,988 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 89.0) internal successors, (712), 8 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:30,988 INFO L185 Difference]: Start difference. First operand has 426 places, 1102 transitions, 37366 flow. Second operand 7 states and 177 transitions. [2021-03-26 16:37:30,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 1264 transitions, 46344 flow [2021-03-26 16:37:32,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 1264 transitions, 45600 flow, removed 336 selfloop flow, removed 12 redundant places. [2021-03-26 16:37:32,601 INFO L241 Difference]: Finished difference. Result has 424 places, 1214 transitions, 44783 flow [2021-03-26 16:37:32,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=36676, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=836, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=44783, PETRI_PLACES=424, PETRI_TRANSITIONS=1214} [2021-03-26 16:37:32,602 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 406 predicate places. [2021-03-26 16:37:32,602 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:32,602 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 1214 transitions, 44783 flow [2021-03-26 16:37:32,603 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 1214 transitions, 44783 flow [2021-03-26 16:37:32,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 1214 transitions, 44783 flow [2021-03-26 16:37:33,446 INFO L129 PetriNetUnfolder]: 1142/2465 cut-off events. [2021-03-26 16:37:33,446 INFO L130 PetriNetUnfolder]: For 278946/279109 co-relation queries the response was YES. [2021-03-26 16:37:33,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49123 conditions, 2465 events. 1142/2465 cut-off events. For 278946/279109 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 17715 event pairs, 29 based on Foata normal form. 13/2467 useless extension candidates. Maximal degree in co-relation 48870. Up to 933 conditions per place. [2021-03-26 16:37:33,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-26 16:37:33,896 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:37:33,897 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:37:33,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1295 [2021-03-26 16:37:33,897 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 1214 transitions, 44811 flow [2021-03-26 16:37:33,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 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) [2021-03-26 16:37:33,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:33,897 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:34,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-03-26 16:37:34,098 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:34,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:34,098 INFO L82 PathProgramCache]: Analyzing trace with hash -921277695, now seen corresponding path program 1 times [2021-03-26 16:37:34,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:34,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392965101] [2021-03-26 16:37:34,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:34,109 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:37:34,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:34,117 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:37:34,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:34,132 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-26 16:37:34,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:34,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:34,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:34,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:34,181 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-26 16:37:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:34,194 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:37:34,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,205 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:37:34,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:34,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392965101] [2021-03-26 16:37:34,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631412742] [2021-03-26 16:37:34,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:34,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:37:34,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:34,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:34,251 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:37:34,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:34,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:34,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:34,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:34,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:34,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:34,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:34,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:34,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,288 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:37:34,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:34,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:34,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:34,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:34,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:34,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:34,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,292 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:34,292 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:34,293 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:34,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:34,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:34,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:37:34,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:34,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:34,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:37:34,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:34,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,374 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:37:34,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:34,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:34,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:34,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:34,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:34,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:34,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,379 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:34,379 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:34,380 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:34,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:34,415 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:37:34,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:34,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:34,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:34,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:34,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:34,439 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:37:34,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:37:34,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:34,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:34,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:34,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:34,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:34,478 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:34,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:34,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-26 16:37:34,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508328924] [2021-03-26 16:37:34,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 16:37:34,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:34,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 16:37:34,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2021-03-26 16:37:34,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 90 [2021-03-26 16:37:34,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 1214 transitions, 44811 flow. Second operand has 20 states, 20 states have (on average 11.2) internal successors, (224), 20 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:34,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:34,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 90 [2021-03-26 16:37:34,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:37,309 INFO L129 PetriNetUnfolder]: 1637/3453 cut-off events. [2021-03-26 16:37:37,309 INFO L130 PetriNetUnfolder]: For 441205/441205 co-relation queries the response was YES. [2021-03-26 16:37:37,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73443 conditions, 3453 events. 1637/3453 cut-off events. For 441205/441205 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 24820 event pairs, 66 based on Foata normal form. 1/3454 useless extension candidates. Maximal degree in co-relation 73180. Up to 2220 conditions per place. [2021-03-26 16:37:37,373 INFO L132 encePairwiseOnDemand]: 61/90 looper letters, 1010 selfloop transitions, 601 changer transitions 3/1618 dead transitions. [2021-03-26 16:37:37,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 1618 transitions, 64648 flow [2021-03-26 16:37:37,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-26 16:37:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-26 16:37:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 400 transitions. [2021-03-26 16:37:37,375 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.17094017094017094 [2021-03-26 16:37:37,375 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 400 transitions. [2021-03-26 16:37:37,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 400 transitions. [2021-03-26 16:37:37,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:37,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 400 transitions. [2021-03-26 16:37:37,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 15.384615384615385) internal successors, (400), 26 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:37,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 90.0) internal successors, (2430), 27 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:37,378 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 90.0) internal successors, (2430), 27 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:37,378 INFO L185 Difference]: Start difference. First operand has 424 places, 1214 transitions, 44811 flow. Second operand 26 states and 400 transitions. [2021-03-26 16:37:37,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 1618 transitions, 64648 flow [2021-03-26 16:37:39,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 1618 transitions, 64099 flow, removed 260 selfloop flow, removed 2 redundant places. [2021-03-26 16:37:39,795 INFO L241 Difference]: Finished difference. Result has 458 places, 1515 transitions, 59342 flow [2021-03-26 16:37:39,796 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=44463, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=389, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=753, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=59342, PETRI_PLACES=458, PETRI_TRANSITIONS=1515} [2021-03-26 16:37:39,796 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 440 predicate places. [2021-03-26 16:37:39,796 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:39,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 458 places, 1515 transitions, 59342 flow [2021-03-26 16:37:39,796 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 458 places, 1515 transitions, 59342 flow [2021-03-26 16:37:39,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 1515 transitions, 59342 flow [2021-03-26 16:37:41,824 INFO L129 PetriNetUnfolder]: 1484/3213 cut-off events. [2021-03-26 16:37:41,824 INFO L130 PetriNetUnfolder]: For 412728/412916 co-relation queries the response was YES. [2021-03-26 16:37:41,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66335 conditions, 3213 events. 1484/3213 cut-off events. For 412728/412916 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 23648 event pairs, 86 based on Foata normal form. 2/3164 useless extension candidates. Maximal degree in co-relation 66172. Up to 1295 conditions per place. [2021-03-26 16:37:41,907 INFO L142 LiptonReduction]: Number of co-enabled transitions 242 [2021-03-26 16:37:42,169 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:37:42,170 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:37:42,170 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2374 [2021-03-26 16:37:42,170 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 1515 transitions, 59342 flow [2021-03-26 16:37:42,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.2) internal successors, (224), 20 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:42,170 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:42,170 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:42,370 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-03-26 16:37:42,371 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:42,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:42,371 INFO L82 PathProgramCache]: Analyzing trace with hash -190926821, now seen corresponding path program 2 times [2021-03-26 16:37:42,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:42,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299935158] [2021-03-26 16:37:42,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:42,383 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:37:42,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:42,393 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:37:42,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,412 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-26 16:37:42,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:42,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:42,460 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-26 16:37:42,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:42,479 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-26 16:37:42,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:42,498 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:37:42,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,514 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:37:42,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:42,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299935158] [2021-03-26 16:37:42,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677994825] [2021-03-26 16:37:42,526 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:42,545 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:37:42,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:37:42,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:37:42,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:42,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:42,567 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:37:42,567 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-26 16:37:42,568 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:37:42,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:42,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:42,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:42,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:42,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:42,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:42,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:42,605 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:37:42,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:42,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:42,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:42,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:42,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:42,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:42,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,611 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:42,611 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:42,612 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:42,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:42,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:42,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:37:42,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:42,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:42,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:37:42,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:42,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:42,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:42,680 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:37:42,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:42,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:42,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:42,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:42,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:42,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:37:42,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,684 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:37:42,684 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:37:42,685 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:42,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:37:42,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:42,733 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 16:37:42,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:37:42,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:42,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:42,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:42,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:42,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:37:42,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:42,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:42,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:42,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 17 [2021-03-26 16:37:42,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391348744] [2021-03-26 16:37:42,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-26 16:37:42,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:42,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-26 16:37:42,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2021-03-26 16:37:42,758 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 90 [2021-03-26 16:37:42,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 1515 transitions, 59342 flow. Second operand has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:42,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:42,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 90 [2021-03-26 16:37:42,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:37:46,616 INFO L129 PetriNetUnfolder]: 2026/4276 cut-off events. [2021-03-26 16:37:46,616 INFO L130 PetriNetUnfolder]: For 588247/588247 co-relation queries the response was YES. [2021-03-26 16:37:46,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93250 conditions, 4276 events. 2026/4276 cut-off events. For 588247/588247 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 31360 event pairs, 105 based on Foata normal form. 1/4277 useless extension candidates. Maximal degree in co-relation 93084. Up to 2644 conditions per place. [2021-03-26 16:37:46,696 INFO L132 encePairwiseOnDemand]: 60/90 looper letters, 1108 selfloop transitions, 827 changer transitions 3/1942 dead transitions. [2021-03-26 16:37:46,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 1942 transitions, 81618 flow [2021-03-26 16:37:46,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-26 16:37:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-26 16:37:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 385 transitions. [2021-03-26 16:37:46,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1711111111111111 [2021-03-26 16:37:46,697 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 385 transitions. [2021-03-26 16:37:46,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 385 transitions. [2021-03-26 16:37:46,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:37:46,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 385 transitions. [2021-03-26 16:37:46,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 15.4) internal successors, (385), 25 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:46,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 90.0) internal successors, (2340), 26 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:46,699 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 90.0) internal successors, (2340), 26 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:46,699 INFO L185 Difference]: Start difference. First operand has 457 places, 1515 transitions, 59342 flow. Second operand 25 states and 385 transitions. [2021-03-26 16:37:46,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 1942 transitions, 81618 flow [2021-03-26 16:37:50,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 1942 transitions, 79843 flow, removed 841 selfloop flow, removed 14 redundant places. [2021-03-26 16:37:50,283 INFO L241 Difference]: Finished difference. Result has 481 places, 1862 transitions, 76223 flow [2021-03-26 16:37:50,284 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=57943, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=554, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=846, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=76223, PETRI_PLACES=481, PETRI_TRANSITIONS=1862} [2021-03-26 16:37:50,284 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 463 predicate places. [2021-03-26 16:37:50,284 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:37:50,285 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 481 places, 1862 transitions, 76223 flow [2021-03-26 16:37:50,285 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 481 places, 1862 transitions, 76223 flow [2021-03-26 16:37:50,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 480 places, 1862 transitions, 76223 flow [2021-03-26 16:37:52,407 INFO L129 PetriNetUnfolder]: 1844/3992 cut-off events. [2021-03-26 16:37:52,407 INFO L130 PetriNetUnfolder]: For 538503/538734 co-relation queries the response was YES. [2021-03-26 16:37:52,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84186 conditions, 3992 events. 1844/3992 cut-off events. For 538503/538734 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 29997 event pairs, 118 based on Foata normal form. 11/3939 useless extension candidates. Maximal degree in co-relation 84011. Up to 1655 conditions per place. [2021-03-26 16:37:52,505 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 16:37:53,374 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:37:53,374 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:37:53,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3090 [2021-03-26 16:37:53,374 INFO L480 AbstractCegarLoop]: Abstraction has has 480 places, 1862 transitions, 76255 flow [2021-03-26 16:37:53,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:53,374 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:37:53,374 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:37:53,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:53,576 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:37:53,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:37:53,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1438300023, now seen corresponding path program 2 times [2021-03-26 16:37:53,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:37:53,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249205487] [2021-03-26 16:37:53,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:37:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:37:53,587 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:37:53,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:37:53,595 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-26 16:37:53,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:37:53,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:53,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,637 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 16:37:53,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:37:53,653 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:37:53,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:53,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:37:53,696 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:37:53,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:53,712 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:37:53,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,725 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:37:53,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:37:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:53,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249205487] [2021-03-26 16:37:53,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178319583] [2021-03-26 16:37:53,738 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:37:53,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:37:53,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:37:53,800 WARN L261 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-26 16:37:53,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:37:53,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:37:53,819 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:37:53,820 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 16:37:53,820 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 16:37:53,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:53,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:53,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:53,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:53,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:53,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:53,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:37:53,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,858 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:37:53,858 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-26 16:37:53,859 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-26 16:37:53,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:53,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:53,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:37:53,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:53,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:53,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:53,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:37:53,892 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:37:53,892 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:37:53,893 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:37:53,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:37:53,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:53,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:53,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:53,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:37:53,940 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-26 16:37:53,941 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-26 16:37:53,941 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 16:37:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:37:53,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:37:53,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:37:53,975 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-26 16:37:53,976 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-26 16:37:53,976 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-26 16:37:53,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:37:53,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:37:53,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:37:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:53,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:53,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:53,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:53,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:53,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:53,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:54,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:54,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:54,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:54,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:37:54,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:37:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:37:54,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:37:54,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 18 [2021-03-26 16:37:54,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017910866] [2021-03-26 16:37:54,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 16:37:54,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:37:54,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 16:37:54,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2021-03-26 16:37:54,002 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 91 [2021-03-26 16:37:54,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 1862 transitions, 76255 flow. Second operand has 20 states, 20 states have (on average 11.2) internal successors, (224), 20 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:37:54,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:37:54,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 91 [2021-03-26 16:37:54,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:38:00,792 INFO L129 PetriNetUnfolder]: 2073/4381 cut-off events. [2021-03-26 16:38:00,792 INFO L130 PetriNetUnfolder]: For 615951/615951 co-relation queries the response was YES. [2021-03-26 16:38:00,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96222 conditions, 4381 events. 2073/4381 cut-off events. For 615951/615951 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 32702 event pairs, 35 based on Foata normal form. 2/4383 useless extension candidates. Maximal degree in co-relation 96044. Up to 2751 conditions per place. [2021-03-26 16:38:00,873 INFO L132 encePairwiseOnDemand]: 48/91 looper letters, 1088 selfloop transitions, 888 changer transitions 7/1987 dead transitions. [2021-03-26 16:38:00,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 1987 transitions, 85548 flow [2021-03-26 16:38:00,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-26 16:38:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-26 16:38:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 487 transitions. [2021-03-26 16:38:00,874 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16217116217116218 [2021-03-26 16:38:00,874 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 487 transitions. [2021-03-26 16:38:00,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 487 transitions. [2021-03-26 16:38:00,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:38:00,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 487 transitions. [2021-03-26 16:38:00,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 14.757575757575758) internal successors, (487), 33 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:00,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 91.0) internal successors, (3094), 34 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:00,878 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 91.0) internal successors, (3094), 34 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:00,878 INFO L185 Difference]: Start difference. First operand has 480 places, 1862 transitions, 76255 flow. Second operand 33 states and 487 transitions. [2021-03-26 16:38:00,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 1987 transitions, 85548 flow [2021-03-26 16:38:04,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 1987 transitions, 83777 flow, removed 851 selfloop flow, removed 9 redundant places. [2021-03-26 16:38:04,409 INFO L241 Difference]: Finished difference. Result has 513 places, 1960 transitions, 81740 flow [2021-03-26 16:38:04,411 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=74510, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1862, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=804, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1030, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=81740, PETRI_PLACES=513, PETRI_TRANSITIONS=1960} [2021-03-26 16:38:04,411 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 495 predicate places. [2021-03-26 16:38:04,411 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:38:04,411 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 1960 transitions, 81740 flow [2021-03-26 16:38:04,411 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 1960 transitions, 81740 flow [2021-03-26 16:38:04,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 1960 transitions, 81740 flow [2021-03-26 16:38:06,874 INFO L129 PetriNetUnfolder]: 1901/4138 cut-off events. [2021-03-26 16:38:06,874 INFO L130 PetriNetUnfolder]: For 507077/507276 co-relation queries the response was YES. [2021-03-26 16:38:06,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87489 conditions, 4138 events. 1901/4138 cut-off events. For 507077/507276 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 31359 event pairs, 71 based on Foata normal form. 13/4127 useless extension candidates. Maximal degree in co-relation 87303. Up to 1681 conditions per place. [2021-03-26 16:38:07,049 INFO L142 LiptonReduction]: Number of co-enabled transitions 286 [2021-03-26 16:38:07,464 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:38:07,465 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:38:07,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3054 [2021-03-26 16:38:07,465 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 1960 transitions, 81740 flow [2021-03-26 16:38:07,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.2) internal successors, (224), 20 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:07,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:38:07,465 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:38:07,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:38:07,666 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:38:07,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:38:07,666 INFO L82 PathProgramCache]: Analyzing trace with hash 160388420, now seen corresponding path program 1 times [2021-03-26 16:38:07,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:38:07,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821075924] [2021-03-26 16:38:07,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:38:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:38:07,676 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:38:07,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:07,684 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-26 16:38:07,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:38:07,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:07,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:38:07,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:07,741 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 16:38:07,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:07,755 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:38:07,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:38:07,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:38:07,783 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:38:07,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:07,797 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:38:07,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:07,811 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:38:07,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:38:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:38:07,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821075924] [2021-03-26 16:38:07,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982433340] [2021-03-26 16:38:07,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:38:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:38:07,839 WARN L261 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-26 16:38:07,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:38:07,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:07,860 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:38:07,860 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-26 16:38:07,861 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:38:07,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:07,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:07,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:07,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:07,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:07,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:07,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:07,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:07,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:07,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:07,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:07,899 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:38:07,900 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-26 16:38:07,900 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-26 16:38:07,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:07,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:07,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:07,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:07,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:07,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:07,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:07,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:38:07,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:38:07,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:38:07,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:38:07,955 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:38:07,956 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:38:07,956 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:38:07,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:07,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:07,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:07,977 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:38:07,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:38:07,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:38:07,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:38:07,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:07,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:38:08,001 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 16:38:08,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:38:08,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:38:08,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:38:08,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:08,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:38:08,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:38:08,030 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:38:08,030 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 16:38:08,031 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 16:38:08,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:08,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:08,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:08,052 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:38:08,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:38:08,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:08,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:38:08,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:38:08,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-26 16:38:08,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062535485] [2021-03-26 16:38:08,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-26 16:38:08,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:38:08,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-26 16:38:08,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2021-03-26 16:38:08,082 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 91 [2021-03-26 16:38:08,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 1960 transitions, 81740 flow. Second operand has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:08,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:38:08,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 91 [2021-03-26 16:38:08,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:38:14,087 INFO L129 PetriNetUnfolder]: 2103/4448 cut-off events. [2021-03-26 16:38:14,087 INFO L130 PetriNetUnfolder]: For 615288/615288 co-relation queries the response was YES. [2021-03-26 16:38:14,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98595 conditions, 4448 events. 2103/4448 cut-off events. For 615288/615288 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 33248 event pairs, 33 based on Foata normal form. 2/4450 useless extension candidates. Maximal degree in co-relation 98406. Up to 2810 conditions per place. [2021-03-26 16:38:14,171 INFO L132 encePairwiseOnDemand]: 48/91 looper letters, 1157 selfloop transitions, 891 changer transitions 4/2056 dead transitions. [2021-03-26 16:38:14,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 2056 transitions, 90585 flow [2021-03-26 16:38:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-26 16:38:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-03-26 16:38:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 520 transitions. [2021-03-26 16:38:14,173 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15444015444015444 [2021-03-26 16:38:14,173 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 520 transitions. [2021-03-26 16:38:14,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 520 transitions. [2021-03-26 16:38:14,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:38:14,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 520 transitions. [2021-03-26 16:38:14,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 14.054054054054054) internal successors, (520), 37 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:14,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 91.0) internal successors, (3458), 38 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:14,176 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 91.0) internal successors, (3458), 38 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:14,176 INFO L185 Difference]: Start difference. First operand has 511 places, 1960 transitions, 81740 flow. Second operand 37 states and 520 transitions. [2021-03-26 16:38:14,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 2056 transitions, 90585 flow [2021-03-26 16:38:17,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 2056 transitions, 88423 flow, removed 820 selfloop flow, removed 14 redundant places. [2021-03-26 16:38:17,727 INFO L241 Difference]: Finished difference. Result has 543 places, 2029 transitions, 86220 flow [2021-03-26 16:38:17,729 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=79703, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1960, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=833, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=86220, PETRI_PLACES=543, PETRI_TRANSITIONS=2029} [2021-03-26 16:38:17,729 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 525 predicate places. [2021-03-26 16:38:17,774 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:38:17,775 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 543 places, 2029 transitions, 86220 flow [2021-03-26 16:38:17,775 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 543 places, 2029 transitions, 86220 flow [2021-03-26 16:38:17,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 541 places, 2029 transitions, 86220 flow [2021-03-26 16:38:20,496 INFO L129 PetriNetUnfolder]: 1919/4180 cut-off events. [2021-03-26 16:38:20,496 INFO L130 PetriNetUnfolder]: For 594892/595486 co-relation queries the response was YES. [2021-03-26 16:38:20,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90771 conditions, 4180 events. 1919/4180 cut-off events. For 594892/595486 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 31934 event pairs, 67 based on Foata normal form. 166/4335 useless extension candidates. Maximal degree in co-relation 90578. Up to 1711 conditions per place. [2021-03-26 16:38:20,673 INFO L142 LiptonReduction]: Number of co-enabled transitions 294 [2021-03-26 16:38:22,096 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:38:22,096 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 16:38:22,096 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4322 [2021-03-26 16:38:22,096 INFO L480 AbstractCegarLoop]: Abstraction has has 539 places, 2027 transitions, 86342 flow [2021-03-26 16:38:22,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.130434782608695) internal successors, (256), 23 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:22,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:38:22,097 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:38:22,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:38:22,300 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:38:22,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:38:22,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1433706478, now seen corresponding path program 2 times [2021-03-26 16:38:22,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:38:22,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609888443] [2021-03-26 16:38:22,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:38:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:38:22,312 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:38:22,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:22,320 INFO L142 QuantifierPusher]: treesize reduction 12, result has 64.7 percent of original size [2021-03-26 16:38:22,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:38:22,332 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 16:38:22,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:22,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:22,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:38:22,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:22,388 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-03-26 16:38:22,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:38:22,405 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 16:38:22,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:38:22,421 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:38:22,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:38:22,431 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:38:22,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609888443] [2021-03-26 16:38:22,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567663856] [2021-03-26 16:38:22,432 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:38:22,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:38:22,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:38:22,447 WARN L261 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 16:38:22,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:38:22,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:22,472 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:38:22,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:22,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:22,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:22,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:22,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:22,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:22,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:22,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:22,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:22,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:22,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:22,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:22,509 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:38:22,509 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-26 16:38:22,510 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-26 16:38:22,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:22,548 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:38:22,548 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:38:22,549 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:38:22,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:22,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:22,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:22,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:38:22,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:38:22,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:38:22,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:38:22,591 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-26 16:38:22,591 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-26 16:38:22,592 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 16:38:22,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:38:22,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:38:22,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:38:22,625 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-26 16:38:22,626 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-26 16:38:22,626 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-26 16:38:22,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:38:22,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:38:22,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:38:22,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:22,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:38:22,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:38:22,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-26 16:38:22,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099698532] [2021-03-26 16:38:22,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 16:38:22,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:38:22,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 16:38:22,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2021-03-26 16:38:22,653 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 97 [2021-03-26 16:38:22,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 2027 transitions, 86342 flow. Second operand has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:22,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:38:22,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 97 [2021-03-26 16:38:22,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:38:28,660 INFO L129 PetriNetUnfolder]: 2136/4526 cut-off events. [2021-03-26 16:38:28,660 INFO L130 PetriNetUnfolder]: For 608078/608078 co-relation queries the response was YES. [2021-03-26 16:38:28,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102663 conditions, 4526 events. 2136/4526 cut-off events. For 608078/608078 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 33773 event pairs, 70 based on Foata normal form. 2/4528 useless extension candidates. Maximal degree in co-relation 102467. Up to 2470 conditions per place. [2021-03-26 16:38:28,766 INFO L132 encePairwiseOnDemand]: 51/97 looper letters, 1168 selfloop transitions, 941 changer transitions 7/2120 dead transitions. [2021-03-26 16:38:28,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 2120 transitions, 94728 flow [2021-03-26 16:38:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-26 16:38:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-26 16:38:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 415 transitions. [2021-03-26 16:38:28,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.16455194290245836 [2021-03-26 16:38:28,768 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 415 transitions. [2021-03-26 16:38:28,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 415 transitions. [2021-03-26 16:38:28,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:38:28,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 415 transitions. [2021-03-26 16:38:28,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 15.961538461538462) internal successors, (415), 26 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:28,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 97.0) internal successors, (2619), 27 states have internal predecessors, (2619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:28,770 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 97.0) internal successors, (2619), 27 states have internal predecessors, (2619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:28,770 INFO L185 Difference]: Start difference. First operand has 539 places, 2027 transitions, 86342 flow. Second operand 26 states and 415 transitions. [2021-03-26 16:38:28,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 2120 transitions, 94728 flow [2021-03-26 16:38:32,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 2120 transitions, 92620 flow, removed 983 selfloop flow, removed 18 redundant places. [2021-03-26 16:38:32,702 INFO L241 Difference]: Finished difference. Result has 553 places, 2085 transitions, 90134 flow [2021-03-26 16:38:32,703 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=84659, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2027, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=884, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=90134, PETRI_PLACES=553, PETRI_TRANSITIONS=2085} [2021-03-26 16:38:32,703 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 535 predicate places. [2021-03-26 16:38:32,703 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:38:32,703 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 553 places, 2085 transitions, 90134 flow [2021-03-26 16:38:32,703 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 553 places, 2085 transitions, 90134 flow [2021-03-26 16:38:32,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 551 places, 2085 transitions, 90134 flow [2021-03-26 16:38:35,372 INFO L129 PetriNetUnfolder]: 1962/4262 cut-off events. [2021-03-26 16:38:35,372 INFO L130 PetriNetUnfolder]: For 611114/611358 co-relation queries the response was YES. [2021-03-26 16:38:35,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94864 conditions, 4262 events. 1962/4262 cut-off events. For 611114/611358 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 32661 event pairs, 99 based on Foata normal form. 34/4249 useless extension candidates. Maximal degree in co-relation 94671. Up to 1737 conditions per place. [2021-03-26 16:38:35,488 INFO L142 LiptonReduction]: Number of co-enabled transitions 298 [2021-03-26 16:38:35,927 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:38:35,927 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:38:35,927 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3224 [2021-03-26 16:38:35,927 INFO L480 AbstractCegarLoop]: Abstraction has has 551 places, 2085 transitions, 90134 flow [2021-03-26 16:38:35,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:35,927 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:38:35,927 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:38:36,128 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2021-03-26 16:38:36,128 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:38:36,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:38:36,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1046177737, now seen corresponding path program 1 times [2021-03-26 16:38:36,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:38:36,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299898302] [2021-03-26 16:38:36,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:38:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:38:36,140 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:38:36,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:36,148 INFO L142 QuantifierPusher]: treesize reduction 12, result has 64.7 percent of original size [2021-03-26 16:38:36,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:38:36,160 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 16:38:36,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:36,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:36,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:38:36,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,218 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 16:38:36,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:38:36,234 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:38:36,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,249 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:38:36,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:38:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:38:36,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299898302] [2021-03-26 16:38:36,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092855046] [2021-03-26 16:38:36,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:38:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:38:36,275 WARN L261 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 16:38:36,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:38:36,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:36,295 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:38:36,296 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 16:38:36,296 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 16:38:36,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:38:36,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:38:36,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:38:36,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:38:36,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:38:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:38:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:38:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,332 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:38:36,333 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-26 16:38:36,333 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-26 16:38:36,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:36,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:36,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:36,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:36,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:36,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:36,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:36,359 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:38:36,360 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:38:36,360 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:38:36,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:36,415 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-26 16:38:36,416 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-26 16:38:36,416 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 16:38:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:38:36,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:38:36,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:38:36,461 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-26 16:38:36,461 INFO L147 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size 23 [2021-03-26 16:38:36,462 INFO L142 QuantifierPusher]: treesize reduction 17, result has 58.5 percent of original size [2021-03-26 16:38:36,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:38:36,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:38:36,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:38:36,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:36,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:36,486 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:38:36,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:38:36,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:36,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:38:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:38:36,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:38:36,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-26 16:38:36,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744072902] [2021-03-26 16:38:36,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 16:38:36,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:38:36,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 16:38:36,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2021-03-26 16:38:36,514 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 97 [2021-03-26 16:38:36,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 2085 transitions, 90134 flow. Second operand has 20 states, 20 states have (on average 11.2) internal successors, (224), 20 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:36,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:38:36,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 97 [2021-03-26 16:38:36,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:38:42,701 INFO L129 PetriNetUnfolder]: 2194/4650 cut-off events. [2021-03-26 16:38:42,701 INFO L130 PetriNetUnfolder]: For 685408/685408 co-relation queries the response was YES. [2021-03-26 16:38:42,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108080 conditions, 4650 events. 2194/4650 cut-off events. For 685408/685408 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 35033 event pairs, 163 based on Foata normal form. 2/4652 useless extension candidates. Maximal degree in co-relation 107884. Up to 3139 conditions per place. [2021-03-26 16:38:42,790 INFO L132 encePairwiseOnDemand]: 50/97 looper letters, 1503 selfloop transitions, 705 changer transitions 14/2226 dead transitions. [2021-03-26 16:38:42,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 2226 transitions, 101100 flow [2021-03-26 16:38:42,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-26 16:38:42,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-26 16:38:42,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 409 transitions. [2021-03-26 16:38:42,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1561664757541046 [2021-03-26 16:38:42,791 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 409 transitions. [2021-03-26 16:38:42,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 409 transitions. [2021-03-26 16:38:42,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:38:42,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 409 transitions. [2021-03-26 16:38:42,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 15.148148148148149) internal successors, (409), 27 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:42,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 97.0) internal successors, (2716), 28 states have internal predecessors, (2716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:42,793 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 97.0) internal successors, (2716), 28 states have internal predecessors, (2716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:42,793 INFO L185 Difference]: Start difference. First operand has 551 places, 2085 transitions, 90134 flow. Second operand 27 states and 409 transitions. [2021-03-26 16:38:42,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 2226 transitions, 101100 flow [2021-03-26 16:38:46,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 564 places, 2226 transitions, 100789 flow, removed 98 selfloop flow, removed 13 redundant places. [2021-03-26 16:38:46,746 INFO L241 Difference]: Finished difference. Result has 571 places, 2160 transitions, 96263 flow [2021-03-26 16:38:46,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=89823, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2085, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=641, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=96263, PETRI_PLACES=571, PETRI_TRANSITIONS=2160} [2021-03-26 16:38:46,748 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 553 predicate places. [2021-03-26 16:38:46,748 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:38:46,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 571 places, 2160 transitions, 96263 flow [2021-03-26 16:38:46,748 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 571 places, 2160 transitions, 96263 flow [2021-03-26 16:38:46,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 569 places, 2160 transitions, 96263 flow [2021-03-26 16:38:49,592 INFO L129 PetriNetUnfolder]: 2021/4416 cut-off events. [2021-03-26 16:38:49,592 INFO L130 PetriNetUnfolder]: For 641808/641960 co-relation queries the response was YES. [2021-03-26 16:38:49,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101061 conditions, 4416 events. 2021/4416 cut-off events. For 641808/641960 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 34198 event pairs, 69 based on Foata normal form. 8/4400 useless extension candidates. Maximal degree in co-relation 100863. Up to 1780 conditions per place. [2021-03-26 16:38:49,716 INFO L142 LiptonReduction]: Number of co-enabled transitions 306 [2021-03-26 16:38:50,227 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:38:50,227 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:38:50,228 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3480 [2021-03-26 16:38:50,228 INFO L480 AbstractCegarLoop]: Abstraction has has 569 places, 2160 transitions, 96263 flow [2021-03-26 16:38:50,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.2) internal successors, (224), 20 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:50,228 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:38:50,228 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:38:50,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:38:50,432 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:38:50,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:38:50,432 INFO L82 PathProgramCache]: Analyzing trace with hash -2144413304, now seen corresponding path program 3 times [2021-03-26 16:38:50,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:38:50,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184821803] [2021-03-26 16:38:50,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:38:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:38:50,445 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:38:50,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:50,453 INFO L142 QuantifierPusher]: treesize reduction 8, result has 81.4 percent of original size [2021-03-26 16:38:50,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:38:50,473 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.6 percent of original size [2021-03-26 16:38:50,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:38:50,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:38:50,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:38:50,545 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-03-26 16:38:50,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:38:50,578 INFO L142 QuantifierPusher]: treesize reduction 26, result has 61.8 percent of original size [2021-03-26 16:38:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:38:50,615 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.9 percent of original size [2021-03-26 16:38:50,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 16:38:50,636 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-26 16:38:50,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:38:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:38:50,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184821803] [2021-03-26 16:38:50,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778172885] [2021-03-26 16:38:50,652 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:38:50,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-26 16:38:50,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:38:50,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-26 16:38:50,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:38:50,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:38:50,686 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:38:50,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:50,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:50,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:50,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:50,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:50,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:50,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:50,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:38:50,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,719 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:38:50,720 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-26 16:38:50,720 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-26 16:38:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:50,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:50,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:50,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:50,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:50,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:50,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:38:50,738 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:38:50,738 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:38:50,739 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:38:50,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:38:50,758 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:38:50,758 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-03-26 16:38:50,759 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-26 16:38:50,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:38:50,818 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-26 16:38:50,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 16:38:50,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:38:50,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:38:50,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:38:50,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:38:50,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 16:38:50,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,822 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:38:50,822 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:38:50,822 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:50,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:50,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:50,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:50,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:50,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:50,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:50,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:50,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:50,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:38:50,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:38:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:38:50,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:38:50,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 17 [2021-03-26 16:38:50,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566520594] [2021-03-26 16:38:50,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-26 16:38:50,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:38:50,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-26 16:38:50,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2021-03-26 16:38:50,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 97 [2021-03-26 16:38:50,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 569 places, 2160 transitions, 96263 flow. Second operand has 19 states, 19 states have (on average 11.368421052631579) internal successors, (216), 19 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:50,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:38:50,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 97 [2021-03-26 16:38:50,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:38:57,424 INFO L129 PetriNetUnfolder]: 2238/4750 cut-off events. [2021-03-26 16:38:57,424 INFO L130 PetriNetUnfolder]: For 727764/727764 co-relation queries the response was YES. [2021-03-26 16:38:57,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113268 conditions, 4750 events. 2238/4750 cut-off events. For 727764/727764 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 35970 event pairs, 210 based on Foata normal form. 2/4752 useless extension candidates. Maximal degree in co-relation 113067. Up to 4455 conditions per place. [2021-03-26 16:38:57,522 INFO L132 encePairwiseOnDemand]: 63/97 looper letters, 2055 selfloop transitions, 198 changer transitions 12/2269 dead transitions. [2021-03-26 16:38:57,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 2269 transitions, 106125 flow [2021-03-26 16:38:57,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 16:38:57,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 16:38:57,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 317 transitions. [2021-03-26 16:38:57,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1634020618556701 [2021-03-26 16:38:57,524 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 317 transitions. [2021-03-26 16:38:57,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 317 transitions. [2021-03-26 16:38:57,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:38:57,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 317 transitions. [2021-03-26 16:38:57,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 15.85) internal successors, (317), 20 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:57,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 97.0) internal successors, (2037), 21 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:57,526 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 97.0) internal successors, (2037), 21 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:38:57,526 INFO L185 Difference]: Start difference. First operand has 569 places, 2160 transitions, 96263 flow. Second operand 20 states and 317 transitions. [2021-03-26 16:38:57,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 2269 transitions, 106125 flow [2021-03-26 16:39:02,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 2269 transitions, 105103 flow, removed 439 selfloop flow, removed 17 redundant places. [2021-03-26 16:39:02,141 INFO L241 Difference]: Finished difference. Result has 575 places, 2213 transitions, 98781 flow [2021-03-26 16:39:02,143 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=95439, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1976, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=98781, PETRI_PLACES=575, PETRI_TRANSITIONS=2213} [2021-03-26 16:39:02,143 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 557 predicate places. [2021-03-26 16:39:02,143 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:39:02,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 575 places, 2213 transitions, 98781 flow [2021-03-26 16:39:02,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 575 places, 2213 transitions, 98781 flow [2021-03-26 16:39:02,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 573 places, 2213 transitions, 98781 flow [2021-03-26 16:39:04,938 INFO L129 PetriNetUnfolder]: 2073/4523 cut-off events. [2021-03-26 16:39:04,939 INFO L130 PetriNetUnfolder]: For 665166/665362 co-relation queries the response was YES. [2021-03-26 16:39:05,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103782 conditions, 4523 events. 2073/4523 cut-off events. For 665166/665362 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 35245 event pairs, 71 based on Foata normal form. 21/4517 useless extension candidates. Maximal degree in co-relation 103584. Up to 1809 conditions per place. [2021-03-26 16:39:05,154 INFO L142 LiptonReduction]: Number of co-enabled transitions 306 [2021-03-26 16:39:05,644 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:39:05,644 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:39:05,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3501 [2021-03-26 16:39:05,644 INFO L480 AbstractCegarLoop]: Abstraction has has 573 places, 2213 transitions, 98781 flow [2021-03-26 16:39:05,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.368421052631579) internal successors, (216), 19 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:05,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:39:05,645 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:39:05,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:39:05,846 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:39:05,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:39:05,846 INFO L82 PathProgramCache]: Analyzing trace with hash -183862874, now seen corresponding path program 1 times [2021-03-26 16:39:05,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:39:05,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718099295] [2021-03-26 16:39:05,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:39:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:39:05,856 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:39:05,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:05,864 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:39:05,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:05,879 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 16:39:05,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:39:05,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:39:05,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:39:05,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:39:05,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:39:05,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:39:05,946 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:39:05,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:05,958 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:39:05,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:39:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:39:05,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718099295] [2021-03-26 16:39:05,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781137376] [2021-03-26 16:39:05,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:39:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:39:05,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:39:05,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:39:05,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:05,999 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:39:06,000 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 16:39:06,000 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 16:39:06,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:39:06,031 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-26 16:39:06,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:06,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:06,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:39:06,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:06,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:06,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:39:06,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,035 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:39:06,035 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:39:06,036 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:39:06,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:39:06,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:06,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:06,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:06,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:06,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:06,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:06,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:06,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:06,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:06,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:39:06,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:06,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:06,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:39:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:06,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:06,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:06,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:06,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:06,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:06,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:06,122 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:39:06,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:06,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:06,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:39:06,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:39:06,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,142 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:39:06,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:06,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:06,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:39:06,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:06,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:06,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:39:06,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,146 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:39:06,146 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:39:06,146 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:39:06,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:39:06,175 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:39:06,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:06,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:06,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:39:06,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:39:06,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:06,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:39:06,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:39:06,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-26 16:39:06,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135282956] [2021-03-26 16:39:06,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-26 16:39:06,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:39:06,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-26 16:39:06,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2021-03-26 16:39:06,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 97 [2021-03-26 16:39:06,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 2213 transitions, 98781 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:06,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:39:06,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 97 [2021-03-26 16:39:06,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:39:13,827 INFO L129 PetriNetUnfolder]: 2602/5542 cut-off events. [2021-03-26 16:39:13,827 INFO L130 PetriNetUnfolder]: For 906810/906810 co-relation queries the response was YES. [2021-03-26 16:39:13,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133352 conditions, 5542 events. 2602/5542 cut-off events. For 906810/906810 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 42658 event pairs, 201 based on Foata normal form. 2/5544 useless extension candidates. Maximal degree in co-relation 133147. Up to 3089 conditions per place. [2021-03-26 16:39:13,943 INFO L132 encePairwiseOnDemand]: 68/97 looper letters, 1622 selfloop transitions, 956 changer transitions 2/2584 dead transitions. [2021-03-26 16:39:13,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 604 places, 2584 transitions, 121875 flow [2021-03-26 16:39:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-26 16:39:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-26 16:39:13,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 480 transitions. [2021-03-26 16:39:13,944 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.15463917525773196 [2021-03-26 16:39:13,944 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 480 transitions. [2021-03-26 16:39:13,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 480 transitions. [2021-03-26 16:39:13,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:39:13,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 480 transitions. [2021-03-26 16:39:13,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 15.0) internal successors, (480), 32 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:13,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 97.0) internal successors, (3201), 33 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:13,947 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 97.0) internal successors, (3201), 33 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:13,947 INFO L185 Difference]: Start difference. First operand has 573 places, 2213 transitions, 98781 flow. Second operand 32 states and 480 transitions. [2021-03-26 16:39:13,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 604 places, 2584 transitions, 121875 flow [2021-03-26 16:39:19,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 590 places, 2584 transitions, 121140 flow, removed 287 selfloop flow, removed 14 redundant places. [2021-03-26 16:39:19,222 INFO L241 Difference]: Finished difference. Result has 605 places, 2480 transitions, 115083 flow [2021-03-26 16:39:19,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=98050, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=705, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=115083, PETRI_PLACES=605, PETRI_TRANSITIONS=2480} [2021-03-26 16:39:19,224 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 587 predicate places. [2021-03-26 16:39:19,224 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:39:19,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 605 places, 2480 transitions, 115083 flow [2021-03-26 16:39:19,224 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 605 places, 2480 transitions, 115083 flow [2021-03-26 16:39:19,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 603 places, 2480 transitions, 115083 flow [2021-03-26 16:39:23,331 INFO L129 PetriNetUnfolder]: 2424/5305 cut-off events. [2021-03-26 16:39:23,332 INFO L130 PetriNetUnfolder]: For 842854/843076 co-relation queries the response was YES. [2021-03-26 16:39:23,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125392 conditions, 5305 events. 2424/5305 cut-off events. For 842854/843076 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 41838 event pairs, 76 based on Foata normal form. 25/5309 useless extension candidates. Maximal degree in co-relation 125177. Up to 2171 conditions per place. [2021-03-26 16:39:23,489 INFO L142 LiptonReduction]: Number of co-enabled transitions 336 [2021-03-26 16:39:26,879 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:39:26,879 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-26 16:39:26,880 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7656 [2021-03-26 16:39:26,880 INFO L480 AbstractCegarLoop]: Abstraction has has 601 places, 2478 transitions, 115683 flow [2021-03-26 16:39:26,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:26,880 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:39:26,880 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:39:27,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-03-26 16:39:27,096 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:39:27,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:39:27,096 INFO L82 PathProgramCache]: Analyzing trace with hash 637255568, now seen corresponding path program 1 times [2021-03-26 16:39:27,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:39:27,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408358087] [2021-03-26 16:39:27,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:39:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:39:27,107 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:39:27,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,115 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:39:27,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:27,134 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-03-26 16:39:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:27,148 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:39:27,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:27,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:39:27,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:39:27,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:39:27,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:39:27,215 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:39:27,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,228 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:39:27,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:39:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:39:27,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408358087] [2021-03-26 16:39:27,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286498827] [2021-03-26 16:39:27,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:39:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:39:27,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:39:27,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:39:27,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,278 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:39:27,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:27,310 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 16:39:27,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:27,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:27,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:39:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:27,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:39:27,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,313 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:39:27,313 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:39:27,314 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 16:39:27,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 16:39:27,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:27,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:27,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:27,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:27,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:27,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:27,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:27,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:27,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:27,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:27,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:39:27,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:27,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:27,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:39:27,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:27,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:27,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:27,430 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:39:27,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:27,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:27,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:39:27,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:39:27,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,458 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:39:27,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:27,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:27,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:39:27,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:27,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:27,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:39:27,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,462 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:39:27,462 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:39:27,463 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:39:27,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:39:27,502 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:39:27,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:27,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:27,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:39:27,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:39:27,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:27,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:39:27,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:39:27,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-26 16:39:27,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478894569] [2021-03-26 16:39:27,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-26 16:39:27,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:39:27,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-26 16:39:27,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-03-26 16:39:27,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 111 [2021-03-26 16:39:27,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 2478 transitions, 115683 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:27,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:39:27,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 111 [2021-03-26 16:39:27,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:39:39,298 INFO L129 PetriNetUnfolder]: 3167/6732 cut-off events. [2021-03-26 16:39:39,299 INFO L130 PetriNetUnfolder]: For 1176895/1176895 co-relation queries the response was YES. [2021-03-26 16:39:39,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167379 conditions, 6732 events. 3167/6732 cut-off events. For 1176895/1176895 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 53835 event pairs, 205 based on Foata normal form. 1/6733 useless extension candidates. Maximal degree in co-relation 167160. Up to 4744 conditions per place. [2021-03-26 16:39:39,453 INFO L132 encePairwiseOnDemand]: 82/111 looper letters, 2140 selfloop transitions, 887 changer transitions 1/3032 dead transitions. [2021-03-26 16:39:39,453 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 3032 transitions, 149821 flow [2021-03-26 16:39:39,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-26 16:39:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-26 16:39:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 493 transitions. [2021-03-26 16:39:39,454 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14327230456262716 [2021-03-26 16:39:39,454 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 493 transitions. [2021-03-26 16:39:39,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 493 transitions. [2021-03-26 16:39:39,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:39:39,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 493 transitions. [2021-03-26 16:39:39,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 15.903225806451612) internal successors, (493), 31 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:39,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 111.0) internal successors, (3552), 32 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:39,457 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 111.0) internal successors, (3552), 32 states have internal predecessors, (3552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:39,457 INFO L185 Difference]: Start difference. First operand has 601 places, 2478 transitions, 115683 flow. Second operand 31 states and 493 transitions. [2021-03-26 16:39:39,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 3032 transitions, 149821 flow [2021-03-26 16:39:46,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 3032 transitions, 148480 flow, removed 629 selfloop flow, removed 11 redundant places. [2021-03-26 16:39:47,062 INFO L241 Difference]: Finished difference. Result has 631 places, 2866 transitions, 138048 flow [2021-03-26 16:39:47,064 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=114347, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=591, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1710, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=138048, PETRI_PLACES=631, PETRI_TRANSITIONS=2866} [2021-03-26 16:39:47,064 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 613 predicate places. [2021-03-26 16:39:47,064 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:39:47,064 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 631 places, 2866 transitions, 138048 flow [2021-03-26 16:39:47,064 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 631 places, 2866 transitions, 138048 flow [2021-03-26 16:39:47,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 630 places, 2866 transitions, 138048 flow [2021-03-26 16:39:52,341 INFO L129 PetriNetUnfolder]: 2949/6433 cut-off events. [2021-03-26 16:39:52,341 INFO L130 PetriNetUnfolder]: For 1219866/1220726 co-relation queries the response was YES. [2021-03-26 16:39:52,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157939 conditions, 6433 events. 2949/6433 cut-off events. For 1219866/1220726 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 52896 event pairs, 104 based on Foata normal form. 302/6710 useless extension candidates. Maximal degree in co-relation 157719. Up to 2643 conditions per place. [2021-03-26 16:39:52,543 INFO L142 LiptonReduction]: Number of co-enabled transitions 368 [2021-03-26 16:39:54,761 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:39:54,761 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:39:54,761 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7697 [2021-03-26 16:39:54,761 INFO L480 AbstractCegarLoop]: Abstraction has has 630 places, 2866 transitions, 138085 flow [2021-03-26 16:39:54,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:54,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:39:54,762 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:39:54,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:39:54,962 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:39:54,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:39:54,962 INFO L82 PathProgramCache]: Analyzing trace with hash -272707191, now seen corresponding path program 1 times [2021-03-26 16:39:54,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:39:54,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128056787] [2021-03-26 16:39:54,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:39:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:39:54,974 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:39:54,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:54,982 INFO L142 QuantifierPusher]: treesize reduction 12, result has 64.7 percent of original size [2021-03-26 16:39:54,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:39:54,996 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-26 16:39:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:55,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:39:55,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 16:39:55,066 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:39:55,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:55,079 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:39:55,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:55,091 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:39:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:39:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:39:55,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128056787] [2021-03-26 16:39:55,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549358658] [2021-03-26 16:39:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:39:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:39:55,117 WARN L261 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-26 16:39:55,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:39:55,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:39:55,136 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:39:55,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:55,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:55,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:55,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:55,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:55,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:55,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:55,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:39:55,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:55,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:55,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:55,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:55,172 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:39:55,172 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:39:55,172 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:39:55,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:55,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:55,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:55,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:55,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:39:55,192 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-26 16:39:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:55,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:55,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:55,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:55,212 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.9 percent of original size [2021-03-26 16:39:55,212 INFO L147 QuantifierPusher]: treesize reduction 15, result has 63.4 percent of original size 26 [2021-03-26 16:39:55,213 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-03-26 16:39:55,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:39:55,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:39:55,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:39:55,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:55,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:55,238 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:39:55,239 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 16:39:55,239 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 16:39:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:55,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:55,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:39:55,258 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:39:55,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:39:55,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:39:55,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:39:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:39:55,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:39:55,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-03-26 16:39:55,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163642616] [2021-03-26 16:39:55,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-26 16:39:55,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:39:55,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-26 16:39:55,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2021-03-26 16:39:55,283 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 112 [2021-03-26 16:39:55,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 2866 transitions, 138085 flow. Second operand has 18 states, 18 states have (on average 11.222222222222221) internal successors, (202), 18 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:39:55,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:39:55,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 112 [2021-03-26 16:39:55,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:40:06,863 INFO L129 PetriNetUnfolder]: 3168/6741 cut-off events. [2021-03-26 16:40:06,864 INFO L130 PetriNetUnfolder]: For 1210115/1210115 co-relation queries the response was YES. [2021-03-26 16:40:06,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171435 conditions, 6741 events. 3168/6741 cut-off events. For 1210115/1210115 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 54131 event pairs, 343 based on Foata normal form. 2/6743 useless extension candidates. Maximal degree in co-relation 171211. Up to 6634 conditions per place. [2021-03-26 16:40:07,025 INFO L132 encePairwiseOnDemand]: 84/112 looper letters, 2789 selfloop transitions, 85 changer transitions 2/2880 dead transitions. [2021-03-26 16:40:07,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 2880 transitions, 144683 flow [2021-03-26 16:40:07,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 16:40:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 16:40:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 278 transitions. [2021-03-26 16:40:07,027 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.14600840336134455 [2021-03-26 16:40:07,027 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 278 transitions. [2021-03-26 16:40:07,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 278 transitions. [2021-03-26 16:40:07,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:40:07,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 278 transitions. [2021-03-26 16:40:07,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 16.352941176470587) internal successors, (278), 17 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:40:07,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 112.0) internal successors, (2016), 18 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:40:07,028 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 112.0) internal successors, (2016), 18 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:40:07,028 INFO L185 Difference]: Start difference. First operand has 630 places, 2866 transitions, 138085 flow. Second operand 17 states and 278 transitions. [2021-03-26 16:40:07,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 2880 transitions, 144683 flow [2021-03-26 16:40:14,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 631 places, 2880 transitions, 143619 flow, removed 460 selfloop flow, removed 15 redundant places. [2021-03-26 16:40:14,946 INFO L241 Difference]: Finished difference. Result has 636 places, 2870 transitions, 137509 flow [2021-03-26 16:40:14,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=137021, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2866, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2782, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=137509, PETRI_PLACES=636, PETRI_TRANSITIONS=2870} [2021-03-26 16:40:14,948 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 618 predicate places. [2021-03-26 16:40:14,948 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:40:14,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 636 places, 2870 transitions, 137509 flow [2021-03-26 16:40:14,948 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 636 places, 2870 transitions, 137509 flow [2021-03-26 16:40:14,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 634 places, 2870 transitions, 137509 flow [2021-03-26 16:40:20,461 INFO L129 PetriNetUnfolder]: 2942/6433 cut-off events. [2021-03-26 16:40:20,461 INFO L130 PetriNetUnfolder]: For 1200637/1201460 co-relation queries the response was YES. [2021-03-26 16:40:20,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156933 conditions, 6433 events. 2942/6433 cut-off events. For 1200637/1201460 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 52891 event pairs, 102 based on Foata normal form. 296/6708 useless extension candidates. Maximal degree in co-relation 156705. Up to 2643 conditions per place. [2021-03-26 16:40:20,664 INFO L142 LiptonReduction]: Number of co-enabled transitions 368 [2021-03-26 16:40:21,494 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:40:21,494 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:40:21,494 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6546 [2021-03-26 16:40:21,495 INFO L480 AbstractCegarLoop]: Abstraction has has 634 places, 2870 transitions, 137509 flow [2021-03-26 16:40:21,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 11.222222222222221) internal successors, (202), 18 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:40:21,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:40:21,495 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:40:21,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-03-26 16:40:21,695 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:40:21,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:40:21,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1461210949, now seen corresponding path program 1 times [2021-03-26 16:40:21,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:40:21,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62282757] [2021-03-26 16:40:21,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:40:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:40:21,706 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:40:21,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:40:21,714 INFO L142 QuantifierPusher]: treesize reduction 12, result has 64.7 percent of original size [2021-03-26 16:40:21,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:40:21,727 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-26 16:40:21,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:40:21,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:40:21,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:40:21,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:40:21,801 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:40:21,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:21,815 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:40:21,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,828 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:40:21,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:40:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:40:21,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62282757] [2021-03-26 16:40:21,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463916426] [2021-03-26 16:40:21,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:40:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:40:21,854 WARN L261 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-26 16:40:21,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:40:21,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:21,874 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:40:21,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:21,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:21,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:21,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:21,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:21,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:21,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:21,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:21,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:21,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:21,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:21,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:21,911 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:40:21,911 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:40:21,912 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:40:21,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:21,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:21,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:21,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:21,952 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:40:21,952 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:40:21,953 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:40:21,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:21,972 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:40:21,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:40:21,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:40:21,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:40:21,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:40:21,995 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 16:40:21,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:40:21,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:40:21,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:40:21,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:40:21,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:40:21,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:21,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:40:22,028 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:40:22,028 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-26 16:40:22,029 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-26 16:40:22,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:22,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:22,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:22,049 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:40:22,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:40:22,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:22,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:40:22,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:40:22,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-26 16:40:22,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454164758] [2021-03-26 16:40:22,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-26 16:40:22,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:40:22,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-26 16:40:22,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-03-26 16:40:22,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 112 [2021-03-26 16:40:22,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 634 places, 2870 transitions, 137509 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:40:22,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:40:22,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 112 [2021-03-26 16:40:22,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:40:33,886 INFO L129 PetriNetUnfolder]: 3189/6789 cut-off events. [2021-03-26 16:40:33,886 INFO L130 PetriNetUnfolder]: For 1199785/1199785 co-relation queries the response was YES. [2021-03-26 16:40:33,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171721 conditions, 6789 events. 3189/6789 cut-off events. For 1199785/1199785 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 54373 event pairs, 272 based on Foata normal form. 2/6791 useless extension candidates. Maximal degree in co-relation 171489. Up to 6474 conditions per place. [2021-03-26 16:40:34,042 INFO L132 encePairwiseOnDemand]: 80/112 looper letters, 2683 selfloop transitions, 246 changer transitions 3/2936 dead transitions. [2021-03-26 16:40:34,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 2936 transitions, 146722 flow [2021-03-26 16:40:34,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-26 16:40:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-26 16:40:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 428 transitions. [2021-03-26 16:40:34,044 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1364795918367347 [2021-03-26 16:40:34,044 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 428 transitions. [2021-03-26 16:40:34,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 428 transitions. [2021-03-26 16:40:34,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:40:34,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 428 transitions. [2021-03-26 16:40:34,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 15.285714285714286) internal successors, (428), 28 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:40:34,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 112.0) internal successors, (3248), 29 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:40:34,046 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 112.0) internal successors, (3248), 29 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:40:34,046 INFO L185 Difference]: Start difference. First operand has 634 places, 2870 transitions, 137509 flow. Second operand 28 states and 428 transitions. [2021-03-26 16:40:34,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 2936 transitions, 146722 flow [2021-03-26 16:40:42,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 2936 transitions, 146456 flow, removed 91 selfloop flow, removed 9 redundant places. [2021-03-26 16:40:42,456 INFO L241 Difference]: Finished difference. Result has 661 places, 2905 transitions, 139812 flow [2021-03-26 16:40:42,457 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=137275, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2631, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=139812, PETRI_PLACES=661, PETRI_TRANSITIONS=2905} [2021-03-26 16:40:42,457 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 643 predicate places. [2021-03-26 16:40:42,457 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:40:42,458 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 661 places, 2905 transitions, 139812 flow [2021-03-26 16:40:42,458 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 661 places, 2905 transitions, 139812 flow [2021-03-26 16:40:42,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 659 places, 2905 transitions, 139812 flow [2021-03-26 16:40:48,188 INFO L129 PetriNetUnfolder]: 2974/6500 cut-off events. [2021-03-26 16:40:48,188 INFO L130 PetriNetUnfolder]: For 1167277/1167830 co-relation queries the response was YES. [2021-03-26 16:40:48,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158652 conditions, 6500 events. 2974/6500 cut-off events. For 1167277/1167830 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 53545 event pairs, 87 based on Foata normal form. 176/6643 useless extension candidates. Maximal degree in co-relation 158416. Up to 2664 conditions per place. [2021-03-26 16:40:48,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 370 [2021-03-26 16:40:50,941 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:40:50,941 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 16:40:50,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8484 [2021-03-26 16:40:50,942 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 2903 transitions, 139919 flow [2021-03-26 16:40:50,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:40:50,942 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:40:50,942 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:40:51,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:40:51,143 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:40:51,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:40:51,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1507497016, now seen corresponding path program 2 times [2021-03-26 16:40:51,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:40:51,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949616570] [2021-03-26 16:40:51,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:40:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:40:51,154 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:40:51,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:40:51,162 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:40:51,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:51,179 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-03-26 16:40:51,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:51,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:40:51,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:40:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:40:51,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:40:51,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:40:51,239 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-26 16:40:51,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:40:51,253 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:40:51,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,266 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:40:51,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:40:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:40:51,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949616570] [2021-03-26 16:40:51,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31645928] [2021-03-26 16:40:51,275 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 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:40:51,290 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:40:51,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:40:51,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:40:51,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:40:51,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,308 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:40:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:40:51,343 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 16:40:51,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:40:51,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:40:51,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:40:51,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:40:51,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:40:51,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:40:51,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,348 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:40:51,348 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:40:51,349 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 16:40:51,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 16:40:51,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:40:51,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:40:51,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:40:51,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:40:51,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:40:51,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:51,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:51,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:51,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:51,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:40:51,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:40:51,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:40:51,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:40:51,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:40:51,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:40:51,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:51,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:40:51,462 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:40:51,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:40:51,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:40:51,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:40:51,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:40:51,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:40:51,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:40:51,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,468 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:40:51,468 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:40:51,469 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:40:51,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:40:51,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:51,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:51,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:51,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:40:51,512 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 16:40:51,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:40:51,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:40:51,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:40:51,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:40:51,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:40:51,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:40:51,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:40:51,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:40:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:40:51,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:40:51,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-26 16:40:51,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679458337] [2021-03-26 16:40:51,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-26 16:40:51,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:40:51,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-26 16:40:51,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-03-26 16:40:51,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 117 [2021-03-26 16:40:51,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 2903 transitions, 139919 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:40:51,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:40:51,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 117 [2021-03-26 16:40:51,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:40:52,638 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-26 16:41:05,523 INFO L129 PetriNetUnfolder]: 3473/7385 cut-off events. [2021-03-26 16:41:05,523 INFO L130 PetriNetUnfolder]: For 1370520/1370520 co-relation queries the response was YES. [2021-03-26 16:41:05,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188663 conditions, 7385 events. 3473/7385 cut-off events. For 1370520/1370520 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 59964 event pairs, 213 based on Foata normal form. 1/7386 useless extension candidates. Maximal degree in co-relation 188423. Up to 5832 conditions per place. [2021-03-26 16:41:05,696 INFO L132 encePairwiseOnDemand]: 84/117 looper letters, 2432 selfloop transitions, 828 changer transitions 3/3267 dead transitions. [2021-03-26 16:41:05,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 3267 transitions, 165346 flow [2021-03-26 16:41:05,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-26 16:41:05,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-03-26 16:41:05,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 537 transitions. [2021-03-26 16:41:05,698 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13499245852187028 [2021-03-26 16:41:05,698 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 537 transitions. [2021-03-26 16:41:05,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 537 transitions. [2021-03-26 16:41:05,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:41:05,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 537 transitions. [2021-03-26 16:41:05,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 15.794117647058824) internal successors, (537), 34 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:41:05,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 117.0) internal successors, (4095), 35 states have internal predecessors, (4095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:41:05,701 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 117.0) internal successors, (4095), 35 states have internal predecessors, (4095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:41:05,701 INFO L185 Difference]: Start difference. First operand has 657 places, 2903 transitions, 139919 flow. Second operand 34 states and 537 transitions. [2021-03-26 16:41:05,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 690 places, 3267 transitions, 165346 flow [2021-03-26 16:41:15,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 3267 transitions, 164284 flow, removed 477 selfloop flow, removed 15 redundant places. [2021-03-26 16:41:15,631 INFO L241 Difference]: Finished difference. Result has 690 places, 3152 transitions, 155429 flow [2021-03-26 16:41:15,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=138877, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2903, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=636, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=155429, PETRI_PLACES=690, PETRI_TRANSITIONS=3152} [2021-03-26 16:41:15,633 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 672 predicate places. [2021-03-26 16:41:15,633 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:41:15,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 690 places, 3152 transitions, 155429 flow [2021-03-26 16:41:15,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 690 places, 3152 transitions, 155429 flow [2021-03-26 16:41:15,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 689 places, 3152 transitions, 155429 flow [2021-03-26 16:41:22,116 INFO L129 PetriNetUnfolder]: 3256/7132 cut-off events. [2021-03-26 16:41:22,116 INFO L130 PetriNetUnfolder]: For 1312295/1312464 co-relation queries the response was YES. [2021-03-26 16:41:22,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179950 conditions, 7132 events. 3256/7132 cut-off events. For 1312295/1312464 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 59372 event pairs, 90 based on Foata normal form. 19/7137 useless extension candidates. Maximal degree in co-relation 179707. Up to 2949 conditions per place. [2021-03-26 16:41:22,587 INFO L142 LiptonReduction]: Number of co-enabled transitions 412 [2021-03-26 16:41:25,184 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:41:25,185 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 16:41:25,185 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9552 [2021-03-26 16:41:25,185 INFO L480 AbstractCegarLoop]: Abstraction has has 689 places, 3152 transitions, 155543 flow [2021-03-26 16:41:25,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:41:25,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:41:25,185 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:41:25,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:41:25,386 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:41:25,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:41:25,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1557812513, now seen corresponding path program 2 times [2021-03-26 16:41:25,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:41:25,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821295444] [2021-03-26 16:41:25,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:41:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:41:25,396 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:41:25,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:41:25,405 INFO L142 QuantifierPusher]: treesize reduction 12, result has 64.7 percent of original size [2021-03-26 16:41:25,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:41:25,418 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-26 16:41:25,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:41:25,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:41:25,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:41:25,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,493 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-03-26 16:41:25,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:41:25,513 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-26 16:41:25,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:41:25,528 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:41:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:41:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:41:25,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821295444] [2021-03-26 16:41:25,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445078604] [2021-03-26 16:41:25,538 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:41:25,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:41:25,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:41:25,555 WARN L261 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-26 16:41:25,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:41:25,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:41:25,574 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:41:25,575 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-26 16:41:25,575 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:41:25,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:41:25,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:41:25,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:41:25,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:41:25,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:41:25,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:41:25,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:41:25,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:41:25,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:41:25,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:41:25,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:41:25,621 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:41:25,622 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:41:25,622 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:41:25,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:41:25,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:41:25,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:41:25,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:41:25,668 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:41:25,668 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-26 16:41:25,669 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-26 16:41:25,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:41:25,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:41:25,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:41:25,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:41:25,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:41:25,713 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-26 16:41:25,714 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-26 16:41:25,714 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-26 16:41:25,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:41:25,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:41:25,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:41:25,756 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-26 16:41:25,756 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-26 16:41:25,757 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-26 16:41:25,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:41:25,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:41:25,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:41:25,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:41:25,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:41:25,785 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:41:25,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:41:25,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-26 16:41:25,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850989709] [2021-03-26 16:41:25,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 16:41:25,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:41:25,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 16:41:25,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-03-26 16:41:25,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 120 [2021-03-26 16:41:25,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 689 places, 3152 transitions, 155543 flow. Second operand has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:41:25,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:41:25,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 120 [2021-03-26 16:41:25,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:41:43,097 INFO L129 PetriNetUnfolder]: 3531/7512 cut-off events. [2021-03-26 16:41:43,097 INFO L130 PetriNetUnfolder]: For 1470761/1470761 co-relation queries the response was YES. [2021-03-26 16:41:43,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195918 conditions, 7512 events. 3531/7512 cut-off events. For 1470761/1470761 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 61144 event pairs, 247 based on Foata normal form. 2/7514 useless extension candidates. Maximal degree in co-relation 195671. Up to 4169 conditions per place. [2021-03-26 16:41:43,274 INFO L132 encePairwiseOnDemand]: 69/120 looper letters, 1838 selfloop transitions, 1429 changer transitions 6/3277 dead transitions. [2021-03-26 16:41:43,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 716 places, 3277 transitions, 167354 flow [2021-03-26 16:41:43,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-26 16:41:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-26 16:41:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 457 transitions. [2021-03-26 16:41:43,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13601190476190475 [2021-03-26 16:41:43,276 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 457 transitions. [2021-03-26 16:41:43,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 457 transitions. [2021-03-26 16:41:43,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:41:43,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 457 transitions. [2021-03-26 16:41:43,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 16.321428571428573) internal successors, (457), 28 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:41:43,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 120.0) internal successors, (3480), 29 states have internal predecessors, (3480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:41:43,279 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 120.0) internal successors, (3480), 29 states have internal predecessors, (3480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:41:43,279 INFO L185 Difference]: Start difference. First operand has 689 places, 3152 transitions, 155543 flow. Second operand 28 states and 457 transitions. [2021-03-26 16:41:43,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 716 places, 3277 transitions, 167354 flow [2021-03-26 16:41:53,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 700 places, 3277 transitions, 165616 flow, removed 806 selfloop flow, removed 16 redundant places. [2021-03-26 16:41:53,947 INFO L241 Difference]: Finished difference. Result has 710 places, 3233 transitions, 162697 flow [2021-03-26 16:41:53,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=153805, PETRI_DIFFERENCE_MINUEND_PLACES=673, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1359, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1754, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=162697, PETRI_PLACES=710, PETRI_TRANSITIONS=3233} [2021-03-26 16:41:53,950 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 692 predicate places. [2021-03-26 16:41:53,950 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:41:53,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 710 places, 3233 transitions, 162697 flow [2021-03-26 16:41:53,950 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 710 places, 3233 transitions, 162697 flow [2021-03-26 16:41:54,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 708 places, 3233 transitions, 162697 flow [2021-03-26 16:42:00,822 INFO L129 PetriNetUnfolder]: 3305/7217 cut-off events. [2021-03-26 16:42:00,823 INFO L130 PetriNetUnfolder]: For 1409568/1409780 co-relation queries the response was YES. [2021-03-26 16:42:00,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185663 conditions, 7217 events. 3305/7217 cut-off events. For 1409568/1409780 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 60147 event pairs, 112 based on Foata normal form. 18/7204 useless extension candidates. Maximal degree in co-relation 185408. Up to 2949 conditions per place. [2021-03-26 16:42:01,065 INFO L142 LiptonReduction]: Number of co-enabled transitions 414 [2021-03-26 16:42:02,190 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:42:02,190 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 16:42:02,190 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8240 [2021-03-26 16:42:02,190 INFO L480 AbstractCegarLoop]: Abstraction has has 708 places, 3233 transitions, 162697 flow [2021-03-26 16:42:02,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:42:02,190 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:42:02,191 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:42:02,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-03-26 16:42:02,391 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:42:02,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:42:02,391 INFO L82 PathProgramCache]: Analyzing trace with hash -627152954, now seen corresponding path program 2 times [2021-03-26 16:42:02,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:42:02,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971253283] [2021-03-26 16:42:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:42:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:42:02,401 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:42:02,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:02,409 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:42:02,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,426 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 16:42:02,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:42:02,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:42:02,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:42:02,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:42:02,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:42:02,482 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-26 16:42:02,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:42:02,495 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:42:02,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,507 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:42:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:42:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:42:02,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971253283] [2021-03-26 16:42:02,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483851278] [2021-03-26 16:42:02,515 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:42:02,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:42:02,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:42:02,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:42:02,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:42:02,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:02,547 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:42:02,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:02,577 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-26 16:42:02,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:02,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:02,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:42:02,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:02,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:02,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:42:02,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,581 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:42:02,581 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:42:02,582 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:42:02,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:42:02,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:02,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:42:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:02,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:02,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:42:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:02,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:42:02,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:42:02,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:42:02,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:42:02,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:42:02,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:42:02,664 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:42:02,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:02,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:02,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:42:02,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:02,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:02,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:42:02,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,668 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:42:02,668 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:42:02,669 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:42:02,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:42:02,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:02,701 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 16:42:02,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:42:02,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:02,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:42:02,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:02,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:42:02,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:42:02,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:02,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:42:02,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:42:02,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-26 16:42:02,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124885095] [2021-03-26 16:42:02,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-26 16:42:02,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:42:02,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-26 16:42:02,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2021-03-26 16:42:02,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 120 [2021-03-26 16:42:02,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 708 places, 3233 transitions, 162697 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:42:02,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:42:02,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 120 [2021-03-26 16:42:02,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:42:18,989 INFO L129 PetriNetUnfolder]: 3551/7550 cut-off events. [2021-03-26 16:42:18,989 INFO L130 PetriNetUnfolder]: For 1583846/1583846 co-relation queries the response was YES. [2021-03-26 16:42:19,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200917 conditions, 7550 events. 3551/7550 cut-off events. For 1583846/1583846 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 61632 event pairs, 277 based on Foata normal form. 2/7552 useless extension candidates. Maximal degree in co-relation 200662. Up to 4069 conditions per place. [2021-03-26 16:42:19,176 INFO L132 encePairwiseOnDemand]: 73/120 looper letters, 2028 selfloop transitions, 1359 changer transitions 6/3397 dead transitions. [2021-03-26 16:42:19,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 3397 transitions, 177687 flow [2021-03-26 16:42:19,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-26 16:42:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-03-26 16:42:19,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 576 transitions. [2021-03-26 16:42:19,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12972972972972974 [2021-03-26 16:42:19,178 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 576 transitions. [2021-03-26 16:42:19,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 576 transitions. [2021-03-26 16:42:19,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:42:19,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 576 transitions. [2021-03-26 16:42:19,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 15.567567567567568) internal successors, (576), 37 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:42:19,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 120.0) internal successors, (4560), 38 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:42:19,180 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 120.0) internal successors, (4560), 38 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:42:19,180 INFO L185 Difference]: Start difference. First operand has 708 places, 3233 transitions, 162697 flow. Second operand 37 states and 576 transitions. [2021-03-26 16:42:19,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 3397 transitions, 177687 flow [2021-03-26 16:42:30,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 729 places, 3397 transitions, 176976 flow, removed 262 selfloop flow, removed 15 redundant places. [2021-03-26 16:42:30,279 INFO L241 Difference]: Finished difference. Result has 736 places, 3265 transitions, 166752 flow [2021-03-26 16:42:30,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=162050, PETRI_DIFFERENCE_MINUEND_PLACES=693, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1332, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1885, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=166752, PETRI_PLACES=736, PETRI_TRANSITIONS=3265} [2021-03-26 16:42:30,282 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 718 predicate places. [2021-03-26 16:42:30,282 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:42:30,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 736 places, 3265 transitions, 166752 flow [2021-03-26 16:42:30,282 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 736 places, 3265 transitions, 166752 flow [2021-03-26 16:42:30,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 734 places, 3265 transitions, 166752 flow [2021-03-26 16:42:37,545 INFO L129 PetriNetUnfolder]: 3328/7261 cut-off events. [2021-03-26 16:42:37,545 INFO L130 PetriNetUnfolder]: For 1459644/1459836 co-relation queries the response was YES. [2021-03-26 16:42:37,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188752 conditions, 7261 events. 3328/7261 cut-off events. For 1459644/1459836 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 60589 event pairs, 109 based on Foata normal form. 16/7247 useless extension candidates. Maximal degree in co-relation 188495. Up to 2976 conditions per place. [2021-03-26 16:42:37,808 INFO L142 LiptonReduction]: Number of co-enabled transitions 414 [2021-03-26 16:42:40,605 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:42:40,605 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:42:40,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10323 [2021-03-26 16:42:40,605 INFO L480 AbstractCegarLoop]: Abstraction has has 734 places, 3265 transitions, 166822 flow [2021-03-26 16:42:40,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:42:40,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:42:40,605 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:42:40,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-03-26 16:42:40,806 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:42:40,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:42:40,806 INFO L82 PathProgramCache]: Analyzing trace with hash -2029417777, now seen corresponding path program 1 times [2021-03-26 16:42:40,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:42:40,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277259731] [2021-03-26 16:42:40,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:42:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:42:40,817 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:42:40,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:40,826 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:42:40,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:40,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:42:40,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:42:40,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:42:40,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:42:40,907 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 16:42:40,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:42:40,925 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:42:40,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:42:40,940 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 16:42:40,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:40,954 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 16:42:40,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:42:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:42:40,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277259731] [2021-03-26 16:42:40,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188250373] [2021-03-26 16:42:40,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:42:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:42:40,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-26 16:42:40,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:42:40,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:42:40,997 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:42:40,997 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-26 16:42:40,997 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-26 16:42:40,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:40,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:40,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:40,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:41,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:41,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:41,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:41,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:41,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:41,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:41,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:41,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:42:41,027 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:42:41,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:41,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:42:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:42:41,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:41,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:42:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:42:41,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,031 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:42:41,031 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:42:41,032 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:42:41,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:42:41,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:41,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:41,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:41,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:42:41,060 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-26 16:42:41,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:41,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:41,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:42:41,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:41,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:41,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:42:41,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,063 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:42:41,064 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:42:41,064 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:42:41,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:42:41,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:41,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:42:41,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:41,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:41,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:42:41,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:41,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:42:41,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:42:41,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:42:41,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:42:41,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:42:41,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:42:41,128 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:42:41,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:42:41,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:41,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:42:41,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:42:41,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,149 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:42:41,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:41,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:41,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:42:41,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:41,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:42:41,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:42:41,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,153 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:42:41,153 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:42:41,154 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:42:41,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:42:41,184 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:42:41,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:42:41,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:42:41,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:42:41,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:42:41,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:42:41,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:42:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:42:41,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:42:41,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-26 16:42:41,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491467201] [2021-03-26 16:42:41,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-26 16:42:41,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:42:41,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-26 16:42:41,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2021-03-26 16:42:41,211 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 121 [2021-03-26 16:42:41,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 734 places, 3265 transitions, 166822 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:42:41,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:42:41,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 121 [2021-03-26 16:42:41,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:43:01,690 INFO L129 PetriNetUnfolder]: 4066/8644 cut-off events. [2021-03-26 16:43:01,691 INFO L130 PetriNetUnfolder]: For 1846751/1846751 co-relation queries the response was YES. [2021-03-26 16:43:01,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233048 conditions, 8644 events. 4066/8644 cut-off events. For 1846751/1846751 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 72483 event pairs, 255 based on Foata normal form. 1/8645 useless extension candidates. Maximal degree in co-relation 232784. Up to 5153 conditions per place. [2021-03-26 16:43:01,907 INFO L132 encePairwiseOnDemand]: 76/121 looper letters, 2295 selfloop transitions, 1528 changer transitions 1/3828 dead transitions. [2021-03-26 16:43:01,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 771 places, 3828 transitions, 205010 flow [2021-03-26 16:43:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-26 16:43:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-03-26 16:43:01,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 594 transitions. [2021-03-26 16:43:01,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.1291866028708134 [2021-03-26 16:43:01,909 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 594 transitions. [2021-03-26 16:43:01,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 594 transitions. [2021-03-26 16:43:01,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:43:01,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 594 transitions. [2021-03-26 16:43:01,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 15.631578947368421) internal successors, (594), 38 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:43:01,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 121.0) internal successors, (4719), 39 states have internal predecessors, (4719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:43:01,913 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 121.0) internal successors, (4719), 39 states have internal predecessors, (4719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:43:01,913 INFO L185 Difference]: Start difference. First operand has 734 places, 3265 transitions, 166822 flow. Second operand 38 states and 594 transitions. [2021-03-26 16:43:01,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 771 places, 3828 transitions, 205010 flow [2021-03-26 16:43:16,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 746 places, 3828 transitions, 203181 flow, removed 349 selfloop flow, removed 25 redundant places. [2021-03-26 16:43:16,387 INFO L241 Difference]: Finished difference. Result has 756 places, 3652 transitions, 192006 flow [2021-03-26 16:43:16,390 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=165213, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1886, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=192006, PETRI_PLACES=756, PETRI_TRANSITIONS=3652} [2021-03-26 16:43:16,390 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 738 predicate places. [2021-03-26 16:43:16,390 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:43:16,390 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 756 places, 3652 transitions, 192006 flow [2021-03-26 16:43:16,390 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 756 places, 3652 transitions, 192006 flow [2021-03-26 16:43:16,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 755 places, 3652 transitions, 192006 flow [2021-03-26 16:43:25,290 INFO L129 PetriNetUnfolder]: 3831/8363 cut-off events. [2021-03-26 16:43:25,290 INFO L130 PetriNetUnfolder]: For 1726099/1726287 co-relation queries the response was YES. [2021-03-26 16:43:25,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221973 conditions, 8363 events. 3831/8363 cut-off events. For 1726099/1726287 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 71805 event pairs, 133 based on Foata normal form. 16/8356 useless extension candidates. Maximal degree in co-relation 221709. Up to 3361 conditions per place. [2021-03-26 16:43:25,700 INFO L142 LiptonReduction]: Number of co-enabled transitions 448 [2021-03-26 16:43:28,940 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:43:28,940 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 16:43:28,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12551 [2021-03-26 16:43:28,941 INFO L480 AbstractCegarLoop]: Abstraction has has 755 places, 3652 transitions, 192058 flow [2021-03-26 16:43:28,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:43:28,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:43:28,941 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:43:29,141 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-03-26 16:43:29,142 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:43:29,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:43:29,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2043467751, now seen corresponding path program 2 times [2021-03-26 16:43:29,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:43:29,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976840851] [2021-03-26 16:43:29,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:43:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:43:29,154 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:43:29,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:43:29,162 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:43:29,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:43:29,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 16:43:29,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:43:29,197 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 16:43:29,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:43:29,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:43:29,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:43:29,247 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-26 16:43:29,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:43:29,266 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:43:29,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,283 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:43:29,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:43:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:43:29,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976840851] [2021-03-26 16:43:29,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041060066] [2021-03-26 16:43:29,295 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 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:43:29,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:43:29,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:43:29,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-26 16:43:29,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:43:29,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:43:29,340 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:43:29,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:43:29,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:43:29,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:43:29,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:43:29,375 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:43:29,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:43:29,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:43:29,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:43:29,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:43:29,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:43:29,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:43:29,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,379 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:43:29,380 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:43:29,380 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:43:29,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:43:29,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:43:29,414 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-26 16:43:29,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:43:29,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:43:29,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:43:29,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:43:29,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:43:29,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:43:29,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,419 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:43:29,419 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:43:29,420 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:43:29,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:43:29,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:43:29,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:43:29,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:43:29,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:43:29,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:43:29,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:43:29,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:43:29,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:43:29,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:43:29,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:43:29,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:43:29,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:43:29,481 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:43:29,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:43:29,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:43:29,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:43:29,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:43:29,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:43:29,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:43:29,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,486 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:43:29,486 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:43:29,487 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:43:29,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:43:29,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:43:29,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:43:29,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:43:29,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:43:29,529 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 16:43:29,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:43:29,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:43:29,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:43:29,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:43:29,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:43:29,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:43:29,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:43:29,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:43:29,562 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:43:29,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:43:29,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 17 [2021-03-26 16:43:29,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727893983] [2021-03-26 16:43:29,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-26 16:43:29,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:43:29,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-26 16:43:29,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2021-03-26 16:43:29,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 123 [2021-03-26 16:43:29,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 755 places, 3652 transitions, 192058 flow. Second operand has 19 states, 19 states have (on average 11.368421052631579) internal successors, (216), 19 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:43:29,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:43:29,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 123 [2021-03-26 16:43:29,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:43:51,700 INFO L129 PetriNetUnfolder]: 4358/9256 cut-off events. [2021-03-26 16:43:51,700 INFO L130 PetriNetUnfolder]: For 2018579/2018579 co-relation queries the response was YES. [2021-03-26 16:43:51,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 254717 conditions, 9256 events. 4358/9256 cut-off events. For 2018579/2018579 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 78677 event pairs, 361 based on Foata normal form. 1/9257 useless extension candidates. Maximal degree in co-relation 254449. Up to 7896 conditions per place. [2021-03-26 16:43:51,937 INFO L132 encePairwiseOnDemand]: 72/123 looper letters, 3268 selfloop transitions, 760 changer transitions 3/4035 dead transitions. [2021-03-26 16:43:51,937 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 783 places, 4035 transitions, 221795 flow [2021-03-26 16:43:51,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-26 16:43:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-26 16:43:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 493 transitions. [2021-03-26 16:43:51,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13821138211382114 [2021-03-26 16:43:51,939 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 493 transitions. [2021-03-26 16:43:51,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 493 transitions. [2021-03-26 16:43:51,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:43:51,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 493 transitions. [2021-03-26 16:43:51,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 17.0) internal successors, (493), 29 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:43:51,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 123.0) internal successors, (3690), 30 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:43:51,942 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 123.0) internal successors, (3690), 30 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:43:51,942 INFO L185 Difference]: Start difference. First operand has 755 places, 3652 transitions, 192058 flow. Second operand 29 states and 493 transitions. [2021-03-26 16:43:51,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 783 places, 4035 transitions, 221795 flow [2021-03-26 16:44:09,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 767 places, 4035 transitions, 220866 flow, removed 387 selfloop flow, removed 16 redundant places. [2021-03-26 16:44:09,837 INFO L241 Difference]: Finished difference. Result has 777 places, 3901 transitions, 208822 flow [2021-03-26 16:44:09,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=191249, PETRI_DIFFERENCE_MINUEND_PLACES=739, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=532, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=208822, PETRI_PLACES=777, PETRI_TRANSITIONS=3901} [2021-03-26 16:44:09,840 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 759 predicate places. [2021-03-26 16:44:09,840 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:44:09,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 777 places, 3901 transitions, 208822 flow [2021-03-26 16:44:09,840 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 777 places, 3901 transitions, 208822 flow [2021-03-26 16:44:09,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 776 places, 3901 transitions, 208822 flow [2021-03-26 16:44:21,472 INFO L129 PetriNetUnfolder]: 4099/8958 cut-off events. [2021-03-26 16:44:21,472 INFO L130 PetriNetUnfolder]: For 1947407/1947597 co-relation queries the response was YES. [2021-03-26 16:44:21,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242993 conditions, 8958 events. 4099/8958 cut-off events. For 1947407/1947597 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 78222 event pairs, 135 based on Foata normal form. 33/8972 useless extension candidates. Maximal degree in co-relation 242719. Up to 3640 conditions per place. [2021-03-26 16:44:21,873 INFO L142 LiptonReduction]: Number of co-enabled transitions 462 [2021-03-26 16:44:25,627 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:44:25,627 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:44:25,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15787 [2021-03-26 16:44:25,627 INFO L480 AbstractCegarLoop]: Abstraction has has 776 places, 3901 transitions, 208843 flow [2021-03-26 16:44:25,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.368421052631579) internal successors, (216), 19 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:44:25,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:44:25,628 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:44:25,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:44:25,828 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:44:25,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:44:25,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1831981373, now seen corresponding path program 1 times [2021-03-26 16:44:25,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:44:25,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922294872] [2021-03-26 16:44:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:44:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:44:25,839 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:44:25,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:25,848 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:44:25,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:44:25,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:25,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:44:25,883 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-03-26 16:44:25,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:44:25,898 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-03-26 16:44:25,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:44:25,912 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-03-26 16:44:25,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:44:25,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:25,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:44:25,948 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:44:25,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:44:25,965 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 16:44:25,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:25,980 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 16:44:25,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:44:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:44:25,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922294872] [2021-03-26 16:44:25,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459178821] [2021-03-26 16:44:25,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-26 16:44:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:44:26,021 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-26 16:44:26,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:44:26,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:44:26,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:44:26,042 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:44:26,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:44:26,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:44:26,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:44:26,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:44:26,083 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-26 16:44:26,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:44:26,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:44:26,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:44:26,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:44:26,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:44:26,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:44:26,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,088 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:44:26,088 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:44:26,089 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:44:26,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:44:26,221 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2021-03-26 16:44:26,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:44:26,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:44:26,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:44:26,226 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-26 16:44:26,227 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-26 16:44:26,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:44:26,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:44:26,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:44:26,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:44:26,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:44:26,254 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-26 16:44:26,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:44:26,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:44:26,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:44:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:44:26,282 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-26 16:44:26,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:44:26,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:44:26,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 16:44:26,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:44:26,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:44:26,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 16:44:26,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,288 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:44:26,288 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:44:26,288 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:44:26,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:44:26,333 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 16:44:26,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:44:26,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:44:26,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:44:26,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 16:44:26,359 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 16:44:26,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:44:26,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:44:26,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:44:26,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:44:26,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:44:26,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 16:44:26,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,363 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:44:26,363 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:44:26,364 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:44:26,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:44:26,394 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:44:26,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:44:26,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:44:26,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:44:26,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:44:26,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:26,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:26,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:26,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:26,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:26,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:26,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:26,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:26,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:26,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:44:26,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:44:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:44:26,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:44:26,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-26 16:44:26,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67093466] [2021-03-26 16:44:26,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-26 16:44:26,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:44:26,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-26 16:44:26,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-03-26 16:44:26,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 124 [2021-03-26 16:44:26,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 776 places, 3901 transitions, 208843 flow. Second operand has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:44:26,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:44:26,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 124 [2021-03-26 16:44:26,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:44:52,724 INFO L129 PetriNetUnfolder]: 4532/9631 cut-off events. [2021-03-26 16:44:52,724 INFO L130 PetriNetUnfolder]: For 2205633/2205633 co-relation queries the response was YES. [2021-03-26 16:44:52,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 270260 conditions, 9631 events. 4532/9631 cut-off events. For 2205633/2205633 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 82468 event pairs, 413 based on Foata normal form. 1/9632 useless extension candidates. Maximal degree in co-relation 269979. Up to 8247 conditions per place. [2021-03-26 16:44:52,990 INFO L132 encePairwiseOnDemand]: 81/124 looper letters, 3473 selfloop transitions, 675 changer transitions 1/4153 dead transitions. [2021-03-26 16:44:52,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 800 places, 4153 transitions, 231043 flow [2021-03-26 16:44:52,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-26 16:44:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-26 16:44:52,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 419 transitions. [2021-03-26 16:44:52,991 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.13516129032258065 [2021-03-26 16:44:52,991 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 419 transitions. [2021-03-26 16:44:52,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 419 transitions. [2021-03-26 16:44:52,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:44:52,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 419 transitions. [2021-03-26 16:44:52,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 16.76) internal successors, (419), 25 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:44:52,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 124.0) internal successors, (3224), 26 states have internal predecessors, (3224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:44:52,993 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 124.0) internal successors, (3224), 26 states have internal predecessors, (3224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:44:52,993 INFO L185 Difference]: Start difference. First operand has 776 places, 3901 transitions, 208843 flow. Second operand 25 states and 419 transitions. [2021-03-26 16:44:52,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 800 places, 4153 transitions, 231043 flow [2021-03-26 16:45:13,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 786 places, 4153 transitions, 229640 flow, removed 637 selfloop flow, removed 14 redundant places. [2021-03-26 16:45:13,444 INFO L241 Difference]: Finished difference. Result has 795 places, 4022 transitions, 217263 flow [2021-03-26 16:45:13,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=207732, PETRI_DIFFERENCE_MINUEND_PLACES=762, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3901, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=555, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=217263, PETRI_PLACES=795, PETRI_TRANSITIONS=4022} [2021-03-26 16:45:13,447 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 777 predicate places. [2021-03-26 16:45:13,447 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:45:13,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 4022 transitions, 217263 flow [2021-03-26 16:45:13,448 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 4022 transitions, 217263 flow [2021-03-26 16:45:13,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 794 places, 4022 transitions, 217263 flow [2021-03-26 16:45:26,491 INFO L129 PetriNetUnfolder]: 4262/9322 cut-off events. [2021-03-26 16:45:26,491 INFO L130 PetriNetUnfolder]: For 2058213/2058427 co-relation queries the response was YES. [2021-03-26 16:45:26,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 254440 conditions, 9322 events. 4262/9322 cut-off events. For 2058213/2058427 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 82114 event pairs, 146 based on Foata normal form. 43/9348 useless extension candidates. Maximal degree in co-relation 254156. Up to 3813 conditions per place. [2021-03-26 16:45:26,846 INFO L142 LiptonReduction]: Number of co-enabled transitions 470 [2021-03-26 16:45:30,779 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:45:30,779 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:45:30,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17332 [2021-03-26 16:45:30,779 INFO L480 AbstractCegarLoop]: Abstraction has has 794 places, 4022 transitions, 217332 flow [2021-03-26 16:45:30,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.181818181818182) internal successors, (246), 22 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:45:30,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:45:30,780 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:45:30,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-03-26 16:45:30,980 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:45:30,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:45:30,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1312185146, now seen corresponding path program 3 times [2021-03-26 16:45:30,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:45:30,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284098713] [2021-03-26 16:45:30,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:45:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:45:30,989 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:45:30,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:45:30,997 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:45:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,012 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 16:45:31,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:45:31,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:45:31,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:45:31,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:45:31,055 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-26 16:45:31,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:45:31,070 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-26 16:45:31,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:45:31,084 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:45:31,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,096 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:45:31,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:45:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:45:31,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284098713] [2021-03-26 16:45:31,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619752074] [2021-03-26 16:45:31,105 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 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:45:31,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-26 16:45:31,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:45:31,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:45:31,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:45:31,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:45:31,137 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:45:31,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:45:31,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:45:31,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:45:31,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:45:31,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:45:31,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:45:31,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:45:31,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:45:31,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:45:31,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:45:31,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:45:31,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:45:31,168 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-26 16:45:31,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:45:31,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:45:31,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:45:31,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:45:31,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:45:31,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:45:31,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,171 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:45:31,171 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:45:31,172 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:45:31,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:45:31,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:45:31,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:45:31,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:45:31,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:45:31,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:45:31,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:45:31,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:45:31,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:45:31,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:45:31,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:45:31,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:45:31,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:45:31,235 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:45:31,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:45:31,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:45:31,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:45:31,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:45:31,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:45:31,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:45:31,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,239 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:45:31,239 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:45:31,239 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:45:31,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:45:31,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:45:31,289 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-26 16:45:31,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:45:31,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:45:31,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:45:31,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:45:31,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:45:31,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 16:45:31,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:45:31,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:45:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:45:31,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:45:31,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-26 16:45:31,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884851077] [2021-03-26 16:45:31,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-26 16:45:31,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:45:31,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-26 16:45:31,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2021-03-26 16:45:31,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 125 [2021-03-26 16:45:31,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 794 places, 4022 transitions, 217332 flow. Second operand has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:45:31,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:45:31,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 125 [2021-03-26 16:45:31,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:46:04,699 INFO L129 PetriNetUnfolder]: 4634/9848 cut-off events. [2021-03-26 16:46:04,700 INFO L130 PetriNetUnfolder]: For 2370682/2370682 co-relation queries the response was YES. [2021-03-26 16:46:04,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 277825 conditions, 9848 events. 4634/9848 cut-off events. For 2370682/2370682 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 85054 event pairs, 414 based on Foata normal form. 2/9850 useless extension candidates. Maximal degree in co-relation 277536. Up to 4846 conditions per place. [2021-03-26 16:46:04,968 INFO L132 encePairwiseOnDemand]: 72/125 looper letters, 2320 selfloop transitions, 1898 changer transitions 6/4228 dead transitions. [2021-03-26 16:46:04,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 825 places, 4228 transitions, 237089 flow [2021-03-26 16:46:04,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-26 16:46:04,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-26 16:46:04,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 519 transitions. [2021-03-26 16:46:04,970 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12975 [2021-03-26 16:46:04,970 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 519 transitions. [2021-03-26 16:46:04,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 519 transitions. [2021-03-26 16:46:04,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:46:04,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 519 transitions. [2021-03-26 16:46:04,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 16.21875) internal successors, (519), 32 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:46:04,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 125.0) internal successors, (4125), 33 states have internal predecessors, (4125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:46:04,972 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 125.0) internal successors, (4125), 33 states have internal predecessors, (4125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:46:04,972 INFO L185 Difference]: Start difference. First operand has 794 places, 4022 transitions, 217332 flow. Second operand 32 states and 519 transitions. [2021-03-26 16:46:04,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 825 places, 4228 transitions, 237089 flow [2021-03-26 16:46:25,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 813 places, 4228 transitions, 236398 flow, removed 261 selfloop flow, removed 12 redundant places. [2021-03-26 16:46:25,859 INFO L241 Difference]: Finished difference. Result has 824 places, 4102 transitions, 228291 flow [2021-03-26 16:46:25,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=216641, PETRI_DIFFERENCE_MINUEND_PLACES=782, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4022, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1824, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=228291, PETRI_PLACES=824, PETRI_TRANSITIONS=4102} [2021-03-26 16:46:25,862 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 806 predicate places. [2021-03-26 16:46:25,862 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:46:25,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 824 places, 4102 transitions, 228291 flow [2021-03-26 16:46:25,863 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 824 places, 4102 transitions, 228291 flow [2021-03-26 16:46:25,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 822 places, 4102 transitions, 228291 flow [2021-03-26 16:46:37,712 INFO L129 PetriNetUnfolder]: 4348/9516 cut-off events. [2021-03-26 16:46:37,712 INFO L130 PetriNetUnfolder]: For 2213645/2213823 co-relation queries the response was YES. [2021-03-26 16:46:38,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 265286 conditions, 9516 events. 4348/9516 cut-off events. For 2213645/2213823 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 84148 event pairs, 138 based on Foata normal form. 22/9519 useless extension candidates. Maximal degree in co-relation 264987. Up to 3904 conditions per place. [2021-03-26 16:46:38,255 INFO L142 LiptonReduction]: Number of co-enabled transitions 478 [2021-03-26 16:46:42,457 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:46:42,457 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:46:42,457 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16595 [2021-03-26 16:46:42,457 INFO L480 AbstractCegarLoop]: Abstraction has has 822 places, 4102 transitions, 228336 flow [2021-03-26 16:46:42,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.238095238095237) internal successors, (236), 21 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:46:42,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:46:42,457 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:46:42,658 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128 [2021-03-26 16:46:42,658 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:46:42,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:46:42,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1031976797, now seen corresponding path program 2 times [2021-03-26 16:46:42,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:46:42,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690576294] [2021-03-26 16:46:42,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:46:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:46:42,679 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:46:42,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:46:42,688 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-26 16:46:42,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:46:42,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:46:42,723 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-03-26 16:46:42,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:46:42,738 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-03-26 16:46:42,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:46:42,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:46:42,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:46:42,781 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:46:42,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:46:42,795 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 16:46:42,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:42,807 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-26 16:46:42,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:46:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:46:42,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690576294] [2021-03-26 16:46:42,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127252694] [2021-03-26 16:46:42,817 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 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:46:42,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 16:46:42,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 16:46:42,833 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-26 16:46:42,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:46:42,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:46:42,862 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:46:42,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:46:42,894 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-26 16:46:42,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:46:42,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:46:42,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:46:42,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:46:42,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:46:42,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:46:42,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,898 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:46:42,898 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:46:42,898 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:46:42,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 16:46:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:46:42,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:46:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:46:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:46:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:46:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:46:42,928 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-03-26 16:46:42,929 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-26 16:46:42,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:46:42,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:46:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:46:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:46:42,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:46:42,948 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-26 16:46:42,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:46:42,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:46:42,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:46:42,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:46:42,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 16:46:42,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 16:46:42,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,952 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:46:42,952 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:46:42,953 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:46:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:46:42,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:46:42,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:46:42,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:46:42,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:46:42,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:46:42,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:46:42,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:46:42,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:42,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:46:43,002 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-26 16:46:43,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:46:43,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:46:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:46:43,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:46:43,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:46:43,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 16:46:43,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,006 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:46:43,006 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:46:43,007 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:46:43,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 16:46:43,135 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2021-03-26 16:46:43,135 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-26 16:46:43,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:46:43,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:46:43,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:46:43,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:46:43,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:43,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:43,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:43,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:43,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:43,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:43,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:43,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:43,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:43,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:46:43,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:46:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:46:43,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:46:43,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 18 [2021-03-26 16:46:43,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855569568] [2021-03-26 16:46:43,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-26 16:46:43,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:46:43,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-26 16:46:43,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-03-26 16:46:43,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 126 [2021-03-26 16:46:43,168 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 822 places, 4102 transitions, 228336 flow. Second operand has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:46:43,168 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:46:43,168 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 126 [2021-03-26 16:46:43,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:47:18,877 INFO L129 PetriNetUnfolder]: 4686/9948 cut-off events. [2021-03-26 16:47:18,878 INFO L130 PetriNetUnfolder]: For 2435072/2435072 co-relation queries the response was YES. [2021-03-26 16:47:19,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286321 conditions, 9948 events. 4686/9948 cut-off events. For 2435072/2435072 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 85831 event pairs, 417 based on Foata normal form. 1/9949 useless extension candidates. Maximal degree in co-relation 286021. Up to 8111 conditions per place. [2021-03-26 16:47:19,177 INFO L132 encePairwiseOnDemand]: 78/126 looper letters, 3399 selfloop transitions, 917 changer transitions 3/4323 dead transitions. [2021-03-26 16:47:19,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 859 places, 4323 transitions, 248949 flow [2021-03-26 16:47:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-26 16:47:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-03-26 16:47:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 592 transitions. [2021-03-26 16:47:19,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12364243943191311 [2021-03-26 16:47:19,179 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 592 transitions. [2021-03-26 16:47:19,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 592 transitions. [2021-03-26 16:47:19,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:47:19,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 592 transitions. [2021-03-26 16:47:19,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 15.578947368421053) internal successors, (592), 38 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:47:19,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 126.0) internal successors, (4914), 39 states have internal predecessors, (4914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:47:19,182 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 126.0) internal successors, (4914), 39 states have internal predecessors, (4914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:47:19,182 INFO L185 Difference]: Start difference. First operand has 822 places, 4102 transitions, 228336 flow. Second operand 38 states and 592 transitions. [2021-03-26 16:47:19,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 859 places, 4323 transitions, 248949 flow [2021-03-26 16:47:41,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 839 places, 4323 transitions, 247667 flow, removed 533 selfloop flow, removed 20 redundant places. [2021-03-26 16:47:41,310 INFO L241 Difference]: Finished difference. Result has 851 places, 4156 transitions, 233354 flow [2021-03-26 16:47:41,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=227054, PETRI_DIFFERENCE_MINUEND_PLACES=802, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=863, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=233354, PETRI_PLACES=851, PETRI_TRANSITIONS=4156} [2021-03-26 16:47:41,312 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 833 predicate places. [2021-03-26 16:47:41,312 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:47:41,312 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 851 places, 4156 transitions, 233354 flow [2021-03-26 16:47:41,312 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 851 places, 4156 transitions, 233354 flow [2021-03-26 16:47:41,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 850 places, 4156 transitions, 233354 flow [2021-03-26 16:47:54,277 INFO L129 PetriNetUnfolder]: 4405/9629 cut-off events. [2021-03-26 16:47:54,277 INFO L130 PetriNetUnfolder]: For 2315897/2316101 co-relation queries the response was YES. [2021-03-26 16:47:54,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 272386 conditions, 9629 events. 4405/9629 cut-off events. For 2315897/2316101 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 85121 event pairs, 136 based on Foata normal form. 30/9642 useless extension candidates. Maximal degree in co-relation 272082. Up to 3952 conditions per place. [2021-03-26 16:47:54,736 INFO L142 LiptonReduction]: Number of co-enabled transitions 488 [2021-03-26 16:47:58,866 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 16:47:58,867 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 16:47:58,867 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17555 [2021-03-26 16:47:58,867 INFO L480 AbstractCegarLoop]: Abstraction has has 850 places, 4156 transitions, 233387 flow [2021-03-26 16:47:58,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.3) internal successors, (226), 20 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:47:58,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:47:58,867 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:47:59,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:47:59,072 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:47:59,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:47:59,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1735168534, now seen corresponding path program 1 times [2021-03-26 16:47:59,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:47:59,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328173705] [2021-03-26 16:47:59,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:47:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:47:59,087 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:47:59,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,096 INFO L142 QuantifierPusher]: treesize reduction 12, result has 64.7 percent of original size [2021-03-26 16:47:59,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:47:59,108 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 16:47:59,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:47:59,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:47:59,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 16:47:59,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:47:59,189 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-26 16:47:59,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:47:59,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:47:59,219 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-26 16:47:59,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:47:59,234 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-26 16:47:59,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:47:59,249 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:47:59,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:47:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:47:59,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328173705] [2021-03-26 16:47:59,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671684739] [2021-03-26 16:47:59,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:47:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:47:59,280 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-26 16:47:59,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:47:59,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:47:59,301 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:47:59,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:47:59,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:47:59,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:47:59,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:47:59,340 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-26 16:47:59,340 INFO L147 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size 17 [2021-03-26 16:47:59,341 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-03-26 16:47:59,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:47:59,362 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 16:47:59,363 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-26 16:47:59,363 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-26 16:47:59,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:47:59,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:47:59,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:47:59,386 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-26 16:47:59,387 INFO L147 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size 23 [2021-03-26 16:47:59,388 INFO L142 QuantifierPusher]: treesize reduction 25, result has 47.9 percent of original size [2021-03-26 16:47:59,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:47:59,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:47:59,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:47:59,411 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-26 16:47:59,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:47:59,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:47:59,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:47:59,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 16:47:59,428 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-26 16:47:59,429 INFO L147 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size 25 [2021-03-26 16:47:59,429 INFO L142 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-03-26 16:47:59,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:47:59,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:47:59,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:47:59,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-26 16:47:59,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 16:47:59,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:47:59,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:47:59,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:47:59,483 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-26 16:47:59,483 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-26 16:47:59,484 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-26 16:47:59,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:47:59,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:47:59,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:47:59,506 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:47:59,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:47:59,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:47:59,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:47:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:47:59,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:47:59,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-26 16:47:59,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851189223] [2021-03-26 16:47:59,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-26 16:47:59,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:47:59,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-26 16:47:59,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2021-03-26 16:47:59,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 127 [2021-03-26 16:47:59,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 850 places, 4156 transitions, 233387 flow. Second operand has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:47:59,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:47:59,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 127 [2021-03-26 16:47:59,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 16:48:35,859 INFO L129 PetriNetUnfolder]: 4686/9960 cut-off events. [2021-03-26 16:48:35,859 INFO L130 PetriNetUnfolder]: For 2489960/2489960 co-relation queries the response was YES. [2021-03-26 16:48:36,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 290079 conditions, 9960 events. 4686/9960 cut-off events. For 2489960/2489960 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 86123 event pairs, 521 based on Foata normal form. 3/9963 useless extension candidates. Maximal degree in co-relation 289771. Up to 9691 conditions per place. [2021-03-26 16:48:36,278 INFO L132 encePairwiseOnDemand]: 92/127 looper letters, 4002 selfloop transitions, 174 changer transitions 4/4184 dead transitions. [2021-03-26 16:48:36,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 874 places, 4184 transitions, 243613 flow [2021-03-26 16:48:36,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-26 16:48:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-26 16:48:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 389 transitions. [2021-03-26 16:48:36,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.12251968503937008 [2021-03-26 16:48:36,279 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 389 transitions. [2021-03-26 16:48:36,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 389 transitions. [2021-03-26 16:48:36,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 16:48:36,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 389 transitions. [2021-03-26 16:48:36,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 15.56) internal successors, (389), 25 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:48:36,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 127.0) internal successors, (3302), 26 states have internal predecessors, (3302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:48:36,281 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 127.0) internal successors, (3302), 26 states have internal predecessors, (3302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:48:36,281 INFO L185 Difference]: Start difference. First operand has 850 places, 4156 transitions, 233387 flow. Second operand 25 states and 389 transitions. [2021-03-26 16:48:36,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 874 places, 4184 transitions, 243613 flow [2021-03-26 16:48:59,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 853 places, 4184 transitions, 242042 flow, removed 382 selfloop flow, removed 21 redundant places. [2021-03-26 16:48:59,341 INFO L241 Difference]: Finished difference. Result has 858 places, 4166 transitions, 232949 flow [2021-03-26 16:48:59,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=231824, PETRI_DIFFERENCE_MINUEND_PLACES=829, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3987, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=232949, PETRI_PLACES=858, PETRI_TRANSITIONS=4166} [2021-03-26 16:48:59,343 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 840 predicate places. [2021-03-26 16:48:59,343 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 16:48:59,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 858 places, 4166 transitions, 232949 flow [2021-03-26 16:48:59,343 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 858 places, 4166 transitions, 232949 flow [2021-03-26 16:48:59,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 855 places, 4166 transitions, 232949 flow [2021-03-26 16:49:11,280 INFO L129 PetriNetUnfolder]: 4396/9623 cut-off events. [2021-03-26 16:49:11,280 INFO L130 PetriNetUnfolder]: For 2307677/2307861 co-relation queries the response was YES. [2021-03-26 16:49:11,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 271234 conditions, 9623 events. 4396/9623 cut-off events. For 2307677/2307861 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 85325 event pairs, 139 based on Foata normal form. 24/9627 useless extension candidates. Maximal degree in co-relation 270921. Up to 3947 conditions per place. [2021-03-26 16:49:11,795 INFO L142 LiptonReduction]: Number of co-enabled transitions 488 [2021-03-26 16:49:16,337 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 16:49:16,338 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 16:49:16,338 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16995 [2021-03-26 16:49:16,338 INFO L480 AbstractCegarLoop]: Abstraction has has 851 places, 4162 transitions, 232857 flow [2021-03-26 16:49:16,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:49:16,338 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 16:49:16,338 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 16:49:16,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-03-26 16:49:16,540 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-26 16:49:16,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 16:49:16,540 INFO L82 PathProgramCache]: Analyzing trace with hash 512584198, now seen corresponding path program 1 times [2021-03-26 16:49:16,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 16:49:16,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800784494] [2021-03-26 16:49:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 16:49:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:49:16,550 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-26 16:49:16,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:49:16,558 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-26 16:49:16,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:16,576 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-03-26 16:49:16,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:49:16,589 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-26 16:49:16,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:49:16,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:49:16,725 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-03-26 16:49:16,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:49:16,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 16:49:16,750 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-26 16:49:16,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:49:16,765 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-26 16:49:16,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 16:49:16,781 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-26 16:49:16,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:16,795 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-26 16:49:16,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 16:49:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:49:16,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800784494] [2021-03-26 16:49:16,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637819426] [2021-03-26 16:49:16,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 16:49:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 16:49:16,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-26 16:49:16,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 16:49:16,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,840 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-26 16:49:16,854 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-26 16:49:16,855 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-26 16:49:16,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:49:16,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:49:16,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 16:49:16,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 16:49:16,887 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 16:49:16,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:49:16,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:49:16,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:49:16,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:49:16,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:49:16,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 16:49:16,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,892 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:49:16,892 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:49:16,893 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 16:49:16,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 16:49:16,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:49:16,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:49:16,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:49:16,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 16:49:16,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:16,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:16,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:16,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:16,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:16,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:16,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:16,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:16,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:49:16,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:49:16,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:49:16,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:49:16,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 16:49:16,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:49:16,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:49:16,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:49:16,982 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 16:49:16,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:49:16,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:49:16,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:49:16,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:49:16,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 16:49:16,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 16:49:16,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,987 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-26 16:49:16,987 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-26 16:49:16,988 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:49:16,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:16,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 16:49:17,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:17,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:17,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:17,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 16:49:17,040 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-26 16:49:17,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:49:17,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:49:17,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:49:17,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 16:49:17,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:49:17,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 16:49:17,063 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-26 16:49:17,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 16:49:17,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 16:49:17,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 16:49:17,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 16:49:17,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:17,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:17,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:17,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:17,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:17,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:17,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:17,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:17,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 16:49:17,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 16:49:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 16:49:17,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 16:49:17,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-03-26 16:49:17,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955734338] [2021-03-26 16:49:17,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-26 16:49:17,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 16:49:17,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-26 16:49:17,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2021-03-26 16:49:17,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 131 [2021-03-26 16:49:17,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 851 places, 4162 transitions, 232857 flow. Second operand has 24 states, 24 states have (on average 11.166666666666666) internal successors, (268), 24 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 16:49:17,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 16:49:17,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 131 [2021-03-26 16:49:17,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-26 16:49:51,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-26 16:49:51,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2021-03-26 16:49:51,608 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 16:49:51,610 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 16:49:51,611 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 04:49:51 BasicIcfg [2021-03-26 16:49:51,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 16:49:51,611 INFO L168 Benchmark]: Toolchain (without parser) took 822545.85 ms. Allocated memory was 255.9 MB in the beginning and 6.6 GB in the end (delta: 6.4 GB). Free memory was 236.2 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 3.8 GB. Max. memory is 16.0 GB. [2021-03-26 16:49:51,611 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.66 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 16:49:51,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.27 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 16:49:51,611 INFO L168 Benchmark]: Boogie Preprocessor took 15.03 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.8 MB in the end (delta: 867.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 16:49:51,612 INFO L168 Benchmark]: RCFGBuilder took 345.70 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 236.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. [2021-03-26 16:49:51,612 INFO L168 Benchmark]: TraceAbstraction took 822153.70 ms. Allocated memory was 255.9 MB in the beginning and 6.6 GB in the end (delta: 6.4 GB). Free memory was 235.4 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 3.8 GB. Max. memory is 16.0 GB. [2021-03-26 16:49:51,612 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 0.66 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.27 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.03 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.8 MB in the end (delta: 867.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 345.70 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 236.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 822153.70 ms. Allocated memory was 255.9 MB in the beginning and 6.6 GB in the end (delta: 6.4 GB). Free memory was 235.4 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 3.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 228.9ms, 25 PlacesBefore, 18 PlacesAfterwards, 20 TransitionsBefore, 13 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 4 FixpointIterations, 5 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 93 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 51, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 51, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.7ms, 17 PlacesBefore, 17 PlacesAfterwards, 14 TransitionsBefore, 14 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 22, Positive conditional cache size: 2, Positive unconditional cache size: 20, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.5ms, 19 PlacesBefore, 19 PlacesAfterwards, 15 TransitionsBefore, 15 TransitionsAfterwards, 44 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 22, Positive conditional cache size: 2, Positive unconditional cache size: 20, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.2ms, 22 PlacesBefore, 22 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 56 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 22, Positive conditional cache size: 2, Positive unconditional cache size: 20, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.1ms, 27 PlacesBefore, 27 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 22, Positive conditional cache size: 2, Positive unconditional cache size: 20, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.0ms, 48 PlacesBefore, 44 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 148 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22, positive: 16, positive conditional: 13, positive unconditional: 3, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 16, positive conditional: 13, positive unconditional: 3, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 11, positive conditional: 9, positive unconditional: 2, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 33, Positive cache size: 27, Positive conditional cache size: 6, Positive unconditional cache size: 21, Negative cache size: 6, Negative conditional cache size: 2, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89.3ms, 68 PlacesBefore, 65 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 192 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 29, Positive conditional cache size: 8, Positive unconditional cache size: 21, Negative cache size: 9, Negative conditional cache size: 5, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 107.8ms, 70 PlacesBefore, 69 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 116 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 416 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 31, Positive conditional cache size: 10, Positive unconditional cache size: 21, Negative cache size: 9, Negative conditional cache size: 5, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.7ms, 78 PlacesBefore, 77 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 120 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 150 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 31, Positive conditional cache size: 10, Positive unconditional cache size: 21, Negative cache size: 11, Negative conditional cache size: 7, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.6ms, 91 PlacesBefore, 90 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 130 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 227 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 32, Positive conditional cache size: 11, Positive unconditional cache size: 21, Negative cache size: 13, Negative conditional cache size: 9, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.4ms, 103 PlacesBefore, 101 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 142 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 218 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 32, Positive conditional cache size: 11, Positive unconditional cache size: 21, Negative cache size: 14, Negative conditional cache size: 10, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.2ms, 107 PlacesBefore, 105 PlacesAfterwards, 146 TransitionsBefore, 146 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 238 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 33, Positive conditional cache size: 12, Positive unconditional cache size: 21, Negative cache size: 17, Negative conditional cache size: 13, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.4ms, 114 PlacesBefore, 101 PlacesAfterwards, 142 TransitionsBefore, 142 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 234 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 33, Positive conditional cache size: 12, Positive unconditional cache size: 21, Negative cache size: 17, Negative conditional cache size: 13, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.8ms, 106 PlacesBefore, 104 PlacesAfterwards, 148 TransitionsBefore, 148 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 362 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 34, Positive conditional cache size: 13, Positive unconditional cache size: 21, Negative cache size: 17, Negative conditional cache size: 13, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 299.1ms, 123 PlacesBefore, 118 PlacesAfterwards, 167 TransitionsBefore, 164 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 272 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 26, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 35, Positive conditional cache size: 14, Positive unconditional cache size: 21, Negative cache size: 17, Negative conditional cache size: 13, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 366.6ms, 153 PlacesBefore, 149 PlacesAfterwards, 240 TransitionsBefore, 238 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 35, Positive conditional cache size: 14, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 456.4ms, 163 PlacesBefore, 158 PlacesAfterwards, 253 TransitionsBefore, 250 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 35, Positive conditional cache size: 14, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 228.0ms, 182 PlacesBefore, 168 PlacesAfterwards, 312 TransitionsBefore, 312 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 36, Positive conditional cache size: 15, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.1ms, 179 PlacesBefore, 168 PlacesAfterwards, 303 TransitionsBefore, 303 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 36, Positive conditional cache size: 15, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 439.5ms, 197 PlacesBefore, 195 PlacesAfterwards, 370 TransitionsBefore, 370 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 36, Positive conditional cache size: 15, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.7ms, 189 PlacesBefore, 189 PlacesAfterwards, 383 TransitionsBefore, 383 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 36, Positive conditional cache size: 15, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.0ms, 209 PlacesBefore, 207 PlacesAfterwards, 417 TransitionsBefore, 417 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 36, Positive conditional cache size: 15, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160.6ms, 234 PlacesBefore, 227 PlacesAfterwards, 461 TransitionsBefore, 461 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 36, Positive conditional cache size: 15, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 173.3ms, 225 PlacesBefore, 225 PlacesAfterwards, 509 TransitionsBefore, 509 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 36, Positive conditional cache size: 15, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 177.4ms, 249 PlacesBefore, 238 PlacesAfterwards, 504 TransitionsBefore, 504 TransitionsAfterwards, 190 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 36, Positive conditional cache size: 15, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 187.3ms, 245 PlacesBefore, 243 PlacesAfterwards, 523 TransitionsBefore, 523 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 36, Positive conditional cache size: 15, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 266.5ms, 277 PlacesBefore, 257 PlacesAfterwards, 540 TransitionsBefore, 540 TransitionsAfterwards, 196 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 37, Positive conditional cache size: 16, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 252.7ms, 265 PlacesBefore, 263 PlacesAfterwards, 568 TransitionsBefore, 568 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 37, Positive conditional cache size: 16, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 222.0ms, 279 PlacesBefore, 259 PlacesAfterwards, 568 TransitionsBefore, 568 TransitionsAfterwards, 216 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 37, Positive conditional cache size: 16, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 595.9ms, 274 PlacesBefore, 272 PlacesAfterwards, 608 TransitionsBefore, 608 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 41, Positive conditional cache size: 20, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 582.7ms, 291 PlacesBefore, 289 PlacesAfterwards, 661 TransitionsBefore, 661 TransitionsAfterwards, 248 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 42, Positive conditional cache size: 21, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 637.5ms, 317 PlacesBefore, 315 PlacesAfterwards, 715 TransitionsBefore, 715 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 44, Positive conditional cache size: 23, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 926.0ms, 333 PlacesBefore, 332 PlacesAfterwards, 894 TransitionsBefore, 894 TransitionsAfterwards, 194 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 46, Positive conditional cache size: 25, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 950.5ms, 343 PlacesBefore, 337 PlacesAfterwards, 903 TransitionsBefore, 899 TransitionsAfterwards, 194 CoEnabledTransitionPairs, 2 FixpointIterations, 4 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 46, Positive conditional cache size: 25, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 768.6ms, 350 PlacesBefore, 349 PlacesAfterwards, 928 TransitionsBefore, 928 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 48, Positive conditional cache size: 27, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 857.6ms, 368 PlacesBefore, 367 PlacesAfterwards, 977 TransitionsBefore, 977 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 48, Positive conditional cache size: 27, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 990.3ms, 384 PlacesBefore, 383 PlacesAfterwards, 1060 TransitionsBefore, 1060 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 49, Positive conditional cache size: 28, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1264.7ms, 402 PlacesBefore, 396 PlacesAfterwards, 1073 TransitionsBefore, 1069 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 2 FixpointIterations, 4 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 49, Positive conditional cache size: 28, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1251.5ms, 407 PlacesBefore, 404 PlacesAfterwards, 1074 TransitionsBefore, 1073 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 49, Positive conditional cache size: 28, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1346.3ms, 432 PlacesBefore, 426 PlacesAfterwards, 1106 TransitionsBefore, 1102 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 2 FixpointIterations, 4 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 49, Positive conditional cache size: 28, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1293.9ms, 424 PlacesBefore, 424 PlacesAfterwards, 1214 TransitionsBefore, 1214 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 50, Positive conditional cache size: 29, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2373.7ms, 458 PlacesBefore, 457 PlacesAfterwards, 1515 TransitionsBefore, 1515 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 50, Positive conditional cache size: 29, Positive unconditional cache size: 21, Negative cache size: 18, Negative conditional cache size: 14, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3089.0ms, 481 PlacesBefore, 480 PlacesAfterwards, 1862 TransitionsBefore, 1862 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 50, Positive conditional cache size: 29, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3053.6ms, 513 PlacesBefore, 511 PlacesAfterwards, 1960 TransitionsBefore, 1960 TransitionsAfterwards, 286 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 50, Positive conditional cache size: 29, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4321.2ms, 543 PlacesBefore, 539 PlacesAfterwards, 2029 TransitionsBefore, 2027 TransitionsAfterwards, 294 CoEnabledTransitionPairs, 2 FixpointIterations, 4 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 50, Positive conditional cache size: 29, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3223.6ms, 553 PlacesBefore, 551 PlacesAfterwards, 2085 TransitionsBefore, 2085 TransitionsAfterwards, 298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 50, Positive conditional cache size: 29, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3479.3ms, 571 PlacesBefore, 569 PlacesAfterwards, 2160 TransitionsBefore, 2160 TransitionsAfterwards, 306 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 50, Positive conditional cache size: 29, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3499.9ms, 575 PlacesBefore, 573 PlacesAfterwards, 2213 TransitionsBefore, 2213 TransitionsAfterwards, 306 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 50, Positive conditional cache size: 29, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7655.3ms, 605 PlacesBefore, 601 PlacesAfterwards, 2480 TransitionsBefore, 2478 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 50, Positive conditional cache size: 29, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7697.0ms, 631 PlacesBefore, 630 PlacesAfterwards, 2866 TransitionsBefore, 2866 TransitionsAfterwards, 368 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 51, Positive conditional cache size: 30, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6546.0ms, 636 PlacesBefore, 634 PlacesAfterwards, 2870 TransitionsBefore, 2870 TransitionsAfterwards, 368 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 51, Positive conditional cache size: 30, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8483.5ms, 661 PlacesBefore, 657 PlacesAfterwards, 2905 TransitionsBefore, 2903 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 51, Positive conditional cache size: 30, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9551.0ms, 690 PlacesBefore, 689 PlacesAfterwards, 3152 TransitionsBefore, 3152 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 51, Positive conditional cache size: 30, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8239.8ms, 710 PlacesBefore, 708 PlacesAfterwards, 3233 TransitionsBefore, 3233 TransitionsAfterwards, 414 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 51, Positive conditional cache size: 30, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10322.5ms, 736 PlacesBefore, 734 PlacesAfterwards, 3265 TransitionsBefore, 3265 TransitionsAfterwards, 414 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 51, Positive conditional cache size: 30, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12550.3ms, 756 PlacesBefore, 755 PlacesAfterwards, 3652 TransitionsBefore, 3652 TransitionsAfterwards, 448 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 51, Positive conditional cache size: 30, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15786.6ms, 777 PlacesBefore, 776 PlacesAfterwards, 3901 TransitionsBefore, 3901 TransitionsAfterwards, 462 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 52, Positive conditional cache size: 31, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17331.5ms, 795 PlacesBefore, 794 PlacesAfterwards, 4022 TransitionsBefore, 4022 TransitionsAfterwards, 470 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 52, Positive conditional cache size: 31, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16594.3ms, 824 PlacesBefore, 822 PlacesAfterwards, 4102 TransitionsBefore, 4102 TransitionsAfterwards, 478 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 52, Positive conditional cache size: 31, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17554.6ms, 851 PlacesBefore, 850 PlacesAfterwards, 4156 TransitionsBefore, 4156 TransitionsAfterwards, 488 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 52, Positive conditional cache size: 31, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16994.6ms, 858 PlacesBefore, 851 PlacesAfterwards, 4166 TransitionsBefore, 4162 TransitionsAfterwards, 488 CoEnabledTransitionPairs, 2 FixpointIterations, 4 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 52, Positive conditional cache size: 31, Positive unconditional cache size: 21, Negative cache size: 19, Negative conditional cache size: 15, Negative unconditional cache size: 4, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 55). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (24states, 10/131 universal loopers) in iteration 61,while PetriNetUnfolder was constructing finite prefix that currently has 254965 conditions, 8766 events (4047/8765 cut-off events. For 2282659/2282659 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 79491 event pairs, 369 based on Foata normal form. 2/8993 useless extension candidates. Maximal degree in co-relation 254648. Up to 7304 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 822007.8ms, OverallIterations: 61, TraceHistogramMax: 4, EmptinessCheckTime: 0.0ms, AutomataDifference: 593395.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 334.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1018 SDtfs, 2376 SDslu, 511 SDs, 0 SdLazy, 42959 SolverSat, 3721 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18234.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2024 GetRequests, 424 SyntacticMatches, 27 SemanticMatches, 1573 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13997 ImplicationChecksByTransitivity, 34644.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=233387occurred in iteration=59, InterpolantAutomatonStates: 1279, 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: 209.9ms SsaConstructionTime, 494.5ms SatisfiabilityAnalysisTime, 20722.6ms InterpolantComputationTime, 1932 NumberOfCodeBlocks, 1932 NumberOfCodeBlocksAsserted, 164 NumberOfCheckSat, 1814 ConstructedInterpolants, 0 QuantifiedInterpolants, 32081 SizeOfPredicates, 110 NumberOfNonLiveVariables, 2257 ConjunctsInSsa, 1046 ConjunctsInUnsatCore, 118 InterpolantComputations, 4 PerfectInterpolantSequences, 62/1225 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