/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 03:35:59,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 03:35:59,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 03:35:59,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 03:35:59,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 03:35:59,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 03:35:59,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 03:35:59,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 03:35:59,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 03:35:59,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 03:35:59,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 03:35:59,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 03:35:59,302 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 03:35:59,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 03:35:59,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 03:35:59,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 03:35:59,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 03:35:59,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 03:35:59,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 03:35:59,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 03:35:59,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 03:35:59,303 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 03:35:59,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 03:35:59,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 03:35:59,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 03:35:59,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 03:35:59,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 03:35:59,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 03:35:59,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 03:35:59,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 03:35:59,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 03:35:59,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 03:35:59,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 03:35:59,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 03:35:59,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 03:35:59,305 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 03:35:59,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 03:35:59,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 03:35:59,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 03:35:59,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 03:35:59,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 03:35:59,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 03:35:59,625 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 03:35:59,627 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 03:35:59,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_10.bpl [2021-03-26 03:35:59,688 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_10.bpl' [2021-03-26 03:35:59,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 03:35:59,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 03:35:59,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 03:35:59,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 03:35:59,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 03:35:59,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (1/1) ... [2021-03-26 03:35:59,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (1/1) ... [2021-03-26 03:35:59,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 03:35:59,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 03:35:59,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 03:35:59,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 03:35:59,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (1/1) ... [2021-03-26 03:35:59,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (1/1) ... [2021-03-26 03:35:59,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (1/1) ... [2021-03-26 03:35:59,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (1/1) ... [2021-03-26 03:35:59,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (1/1) ... [2021-03-26 03:35:59,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (1/1) ... [2021-03-26 03:35:59,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (1/1) ... [2021-03-26 03:35:59,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 03:35:59,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 03:35:59,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 03:35:59,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 03:35:59,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (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 03:35:59,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-26 03:35:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-26 03:35:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-26 03:35:59,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-26 03:35:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-26 03:35:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-26 03:35:59,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-26 03:35:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-26 03:35:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-26 03:35:59,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-26 03:35:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-26 03:35:59,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-26 03:35:59,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-26 03:35:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-26 03:35:59,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-26 03:35:59,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2021-03-26 03:35:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2021-03-26 03:35:59,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2021-03-26 03:35:59,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 03:35:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 03:35:59,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 03:35:59,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-26 03:35:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-26 03:35:59,823 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-26 03:35:59,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-03-26 03:35:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-03-26 03:35:59,823 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-03-26 03:35:59,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-03-26 03:35:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-03-26 03:35:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-03-26 03:35:59,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-03-26 03:35:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-03-26 03:35:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-03-26 03:35:59,825 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 03:35:59,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 03:35:59,980 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 03:35:59,981 INFO L202 PluginConnector]: Adding new model example_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:35:59 BoogieIcfgContainer [2021-03-26 03:35:59,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 03:35:59,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 03:35:59,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 03:35:59,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 03:35:59,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:35:59" (1/2) ... [2021-03-26 03:35:59,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f26b94 and model type example_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 03:35:59, skipping insertion in model container [2021-03-26 03:35:59,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:35:59" (2/2) ... [2021-03-26 03:35:59,986 INFO L111 eAbstractionObserver]: Analyzing ICFG example_10.bpl [2021-03-26 03:35:59,990 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 03:35:59,993 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 03:35:59,993 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 03:36:00,151 INFO L149 ThreadInstanceAdder]: Constructed 100 joinOtherThreadTransitions. [2021-03-26 03:36:00,188 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-03-26 03:36:00,213 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 03:36:00,213 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 03:36:00,213 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 03:36:00,213 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 03:36:00,214 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 03:36:00,214 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 03:36:00,214 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 03:36:00,214 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 03:36:00,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 143 transitions, 636 flow [2021-03-26 03:36:00,844 INFO L129 PetriNetUnfolder]: 4097/5153 cut-off events. [2021-03-26 03:36:00,844 INFO L130 PetriNetUnfolder]: For 5120/5120 co-relation queries the response was YES. [2021-03-26 03:36:00,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10304 conditions, 5153 events. 4097/5153 cut-off events. For 5120/5120 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 20936 event pairs, 0 based on Foata normal form. 0/5152 useless extension candidates. Maximal degree in co-relation 4655. Up to 1260 conditions per place. [2021-03-26 03:36:00,864 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 143 transitions, 636 flow [2021-03-26 03:36:00,918 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 131 transitions, 592 flow [2021-03-26 03:36:00,920 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:00,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 131 transitions, 592 flow [2021-03-26 03:36:00,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 131 transitions, 592 flow [2021-03-26 03:36:00,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 131 transitions, 592 flow [2021-03-26 03:36:01,338 INFO L129 PetriNetUnfolder]: 4097/5151 cut-off events. [2021-03-26 03:36:01,338 INFO L130 PetriNetUnfolder]: For 5120/5120 co-relation queries the response was YES. [2021-03-26 03:36:01,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10302 conditions, 5151 events. 4097/5151 cut-off events. For 5120/5120 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 20104 event pairs, 0 based on Foata normal form. 0/5151 useless extension candidates. Maximal degree in co-relation 4655. Up to 1260 conditions per place. [2021-03-26 03:36:01,432 INFO L142 LiptonReduction]: Number of co-enabled transitions 3780 [2021-03-26 03:36:01,703 INFO L154 LiptonReduction]: Checked pairs total: 1035 [2021-03-26 03:36:01,704 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 03:36:01,706 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 787 [2021-03-26 03:36:02,025 INFO L129 PetriNetUnfolder]: 4097/5140 cut-off events. [2021-03-26 03:36:02,026 INFO L130 PetriNetUnfolder]: For 5120/5120 co-relation queries the response was YES. [2021-03-26 03:36:02,026 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:02,027 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:02,027 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:02,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:02,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1999905854, now seen corresponding path program 1 times [2021-03-26 03:36:02,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:02,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016918707] [2021-03-26 03:36:02,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:02,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:02,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:02,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:02,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:36:02,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:02,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:02,205 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 03:36:02,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016918707] [2021-03-26 03:36:02,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:02,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:36:02,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884896253] [2021-03-26 03:36:02,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:36:02,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:02,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:36:02,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:36:02,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 153 [2021-03-26 03:36:02,233 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 121 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:02,233 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:02,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 153 [2021-03-26 03:36:02,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:02,681 INFO L129 PetriNetUnfolder]: 3764/4762 cut-off events. [2021-03-26 03:36:02,681 INFO L130 PetriNetUnfolder]: For 5812/5812 co-relation queries the response was YES. [2021-03-26 03:36:02,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10002 conditions, 4762 events. 3764/4762 cut-off events. For 5812/5812 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 21506 event pairs, 0 based on Foata normal form. 46/4808 useless extension candidates. Maximal degree in co-relation 4719. Up to 1260 conditions per place. [2021-03-26 03:36:02,717 INFO L132 encePairwiseOnDemand]: 149/153 looper letters, 7 selfloop transitions, 1 changer transitions 0/118 dead transitions. [2021-03-26 03:36:02,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 118 transitions, 573 flow [2021-03-26 03:36:02,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:36:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:36:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2021-03-26 03:36:02,734 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9520697167755992 [2021-03-26 03:36:02,735 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 437 transitions. [2021-03-26 03:36:02,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 437 transitions. [2021-03-26 03:36:02,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:02,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 437 transitions. [2021-03-26 03:36:02,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:02,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:02,752 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:02,754 INFO L185 Difference]: Start difference. First operand has 62 places, 121 transitions, 572 flow. Second operand 3 states and 437 transitions. [2021-03-26 03:36:02,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 118 transitions, 573 flow [2021-03-26 03:36:02,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 118 transitions, 359 flow, removed 0 selfloop flow, removed 20 redundant places. [2021-03-26 03:36:02,799 INFO L241 Difference]: Finished difference. Result has 44 places, 118 transitions, 345 flow [2021-03-26 03:36:02,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=343, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=345, PETRI_PLACES=44, PETRI_TRANSITIONS=118} [2021-03-26 03:36:02,802 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -18 predicate places. [2021-03-26 03:36:02,802 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:02,803 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 118 transitions, 345 flow [2021-03-26 03:36:02,804 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 118 transitions, 345 flow [2021-03-26 03:36:02,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 118 transitions, 345 flow [2021-03-26 03:36:03,055 INFO L129 PetriNetUnfolder]: 3764/4762 cut-off events. [2021-03-26 03:36:03,055 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:36:03,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4775 conditions, 4762 events. 3764/4762 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 19058 event pairs, 0 based on Foata normal form. 0/4762 useless extension candidates. Maximal degree in co-relation 4764. Up to 1260 conditions per place. [2021-03-26 03:36:03,084 INFO L142 LiptonReduction]: Number of co-enabled transitions 1746 [2021-03-26 03:36:03,105 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:03,105 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:03,105 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 303 [2021-03-26 03:36:03,109 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 118 transitions, 345 flow [2021-03-26 03:36:03,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:03,109 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:03,109 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:03,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 03:36:03,110 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:03,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:03,112 INFO L82 PathProgramCache]: Analyzing trace with hash 229487364, now seen corresponding path program 1 times [2021-03-26 03:36:03,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:03,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783547429] [2021-03-26 03:36:03,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:03,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:03,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:03,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:03,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:36:03,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:03,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:03,170 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 03:36:03,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783547429] [2021-03-26 03:36:03,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:03,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:36:03,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837772518] [2021-03-26 03:36:03,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:36:03,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:03,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:36:03,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:36:03,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 153 [2021-03-26 03:36:03,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 118 transitions, 345 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:03,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:03,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 153 [2021-03-26 03:36:03,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:03,371 INFO L129 PetriNetUnfolder]: 3028/3905 cut-off events. [2021-03-26 03:36:03,371 INFO L130 PetriNetUnfolder]: For 475/475 co-relation queries the response was YES. [2021-03-26 03:36:03,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4302 conditions, 3905 events. 3028/3905 cut-off events. For 475/475 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 18284 event pairs, 0 based on Foata normal form. 93/3998 useless extension candidates. Maximal degree in co-relation 4290. Up to 1260 conditions per place. [2021-03-26 03:36:03,393 INFO L132 encePairwiseOnDemand]: 148/153 looper letters, 6 selfloop transitions, 1 changer transitions 0/114 dead transitions. [2021-03-26 03:36:03,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 114 transitions, 347 flow [2021-03-26 03:36:03,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:36:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:36:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2021-03-26 03:36:03,396 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9520697167755992 [2021-03-26 03:36:03,396 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 437 transitions. [2021-03-26 03:36:03,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 437 transitions. [2021-03-26 03:36:03,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:03,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 437 transitions. [2021-03-26 03:36:03,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:03,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:03,400 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:03,400 INFO L185 Difference]: Start difference. First operand has 44 places, 118 transitions, 345 flow. Second operand 3 states and 437 transitions. [2021-03-26 03:36:03,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 114 transitions, 347 flow [2021-03-26 03:36:03,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 114 transitions, 346 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:03,404 INFO L241 Difference]: Finished difference. Result has 45 places, 114 transitions, 334 flow [2021-03-26 03:36:03,404 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=45, PETRI_TRANSITIONS=114} [2021-03-26 03:36:03,405 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -17 predicate places. [2021-03-26 03:36:03,405 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:03,405 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 114 transitions, 334 flow [2021-03-26 03:36:03,405 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 114 transitions, 334 flow [2021-03-26 03:36:03,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 114 transitions, 334 flow [2021-03-26 03:36:03,558 INFO L129 PetriNetUnfolder]: 3028/3905 cut-off events. [2021-03-26 03:36:03,559 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:36:03,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3919 conditions, 3905 events. 3028/3905 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 15946 event pairs, 0 based on Foata normal form. 0/3905 useless extension candidates. Maximal degree in co-relation 3908. Up to 1260 conditions per place. [2021-03-26 03:36:03,589 INFO L142 LiptonReduction]: Number of co-enabled transitions 1674 [2021-03-26 03:36:03,609 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:03,609 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:03,609 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 204 [2021-03-26 03:36:03,611 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 114 transitions, 334 flow [2021-03-26 03:36:03,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:03,612 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:03,612 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:03,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 03:36:03,612 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:03,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:03,612 INFO L82 PathProgramCache]: Analyzing trace with hash -39454286, now seen corresponding path program 1 times [2021-03-26 03:36:03,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:03,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157894610] [2021-03-26 03:36:03,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:03,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:03,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:03,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:03,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:36:03,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:03,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:03,664 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 03:36:03,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157894610] [2021-03-26 03:36:03,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:03,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:36:03,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853686842] [2021-03-26 03:36:03,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:36:03,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:03,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:36:03,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:36:03,668 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 153 [2021-03-26 03:36:03,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 114 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:03,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:03,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 153 [2021-03-26 03:36:03,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:03,766 INFO L129 PetriNetUnfolder]: 1208/1664 cut-off events. [2021-03-26 03:36:03,766 INFO L130 PetriNetUnfolder]: For 390/390 co-relation queries the response was YES. [2021-03-26 03:36:03,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1726 conditions, 1664 events. 1208/1664 cut-off events. For 390/390 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 7599 event pairs, 0 based on Foata normal form. 344/2008 useless extension candidates. Maximal degree in co-relation 1714. Up to 504 conditions per place. [2021-03-26 03:36:03,775 INFO L132 encePairwiseOnDemand]: 145/153 looper letters, 3 selfloop transitions, 1 changer transitions 0/107 dead transitions. [2021-03-26 03:36:03,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 107 transitions, 321 flow [2021-03-26 03:36:03,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:36:03,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:36:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2021-03-26 03:36:03,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9520697167755992 [2021-03-26 03:36:03,777 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 437 transitions. [2021-03-26 03:36:03,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 437 transitions. [2021-03-26 03:36:03,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:03,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 437 transitions. [2021-03-26 03:36:03,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:03,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:03,780 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:03,780 INFO L185 Difference]: Start difference. First operand has 45 places, 114 transitions, 334 flow. Second operand 3 states and 437 transitions. [2021-03-26 03:36:03,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 107 transitions, 321 flow [2021-03-26 03:36:03,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 107 transitions, 320 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:03,785 INFO L241 Difference]: Finished difference. Result has 46 places, 107 transitions, 314 flow [2021-03-26 03:36:03,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=46, PETRI_TRANSITIONS=107} [2021-03-26 03:36:03,786 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -16 predicate places. [2021-03-26 03:36:03,786 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:03,786 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 107 transitions, 314 flow [2021-03-26 03:36:03,787 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 107 transitions, 314 flow [2021-03-26 03:36:03,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 107 transitions, 314 flow [2021-03-26 03:36:03,850 INFO L129 PetriNetUnfolder]: 1208/1664 cut-off events. [2021-03-26 03:36:03,850 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:36:03,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1679 conditions, 1664 events. 1208/1664 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 6518 event pairs, 0 based on Foata normal form. 0/1664 useless extension candidates. Maximal degree in co-relation 1668. Up to 504 conditions per place. [2021-03-26 03:36:03,862 INFO L142 LiptonReduction]: Number of co-enabled transitions 1548 [2021-03-26 03:36:03,880 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:03,881 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:03,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 95 [2021-03-26 03:36:03,885 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 107 transitions, 314 flow [2021-03-26 03:36:03,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:03,886 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:03,886 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:03,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 03:36:03,886 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:03,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:03,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1212135468, now seen corresponding path program 1 times [2021-03-26 03:36:03,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:03,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789344586] [2021-03-26 03:36:03,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:03,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:03,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:03,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:03,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:36:03,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:03,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:03,926 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 03:36:03,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789344586] [2021-03-26 03:36:03,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:03,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:36:03,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129803917] [2021-03-26 03:36:03,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:36:03,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:03,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:36:03,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:36:03,928 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 153 [2021-03-26 03:36:03,929 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 107 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:03,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:03,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 153 [2021-03-26 03:36:03,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:03,984 INFO L129 PetriNetUnfolder]: 524/797 cut-off events. [2021-03-26 03:36:03,984 INFO L130 PetriNetUnfolder]: For 179/179 co-relation queries the response was YES. [2021-03-26 03:36:03,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 797 events. 524/797 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3373 event pairs, 0 based on Foata normal form. 133/930 useless extension candidates. Maximal degree in co-relation 848. Up to 168 conditions per place. [2021-03-26 03:36:03,988 INFO L132 encePairwiseOnDemand]: 146/153 looper letters, 4 selfloop transitions, 1 changer transitions 0/101 dead transitions. [2021-03-26 03:36:03,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 101 transitions, 306 flow [2021-03-26 03:36:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:36:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:36:03,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2021-03-26 03:36:03,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9520697167755992 [2021-03-26 03:36:03,990 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 437 transitions. [2021-03-26 03:36:03,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 437 transitions. [2021-03-26 03:36:03,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:03,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 437 transitions. [2021-03-26 03:36:03,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:03,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:03,993 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:03,993 INFO L185 Difference]: Start difference. First operand has 46 places, 107 transitions, 314 flow. Second operand 3 states and 437 transitions. [2021-03-26 03:36:03,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 101 transitions, 306 flow [2021-03-26 03:36:03,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 101 transitions, 305 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:03,997 INFO L241 Difference]: Finished difference. Result has 47 places, 101 transitions, 297 flow [2021-03-26 03:36:03,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=297, PETRI_PLACES=47, PETRI_TRANSITIONS=101} [2021-03-26 03:36:03,997 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -15 predicate places. [2021-03-26 03:36:03,997 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:03,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 101 transitions, 297 flow [2021-03-26 03:36:03,998 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 101 transitions, 297 flow [2021-03-26 03:36:03,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 101 transitions, 297 flow [2021-03-26 03:36:04,030 INFO L129 PetriNetUnfolder]: 524/797 cut-off events. [2021-03-26 03:36:04,031 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:36:04,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 813 conditions, 797 events. 524/797 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3038 event pairs, 0 based on Foata normal form. 0/797 useless extension candidates. Maximal degree in co-relation 802. Up to 168 conditions per place. [2021-03-26 03:36:04,036 INFO L142 LiptonReduction]: Number of co-enabled transitions 1440 [2021-03-26 03:36:04,042 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:04,042 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:04,043 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 03:36:04,045 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 101 transitions, 297 flow [2021-03-26 03:36:04,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:04,045 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:04,045 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:04,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 03:36:04,045 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:04,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:04,046 INFO L82 PathProgramCache]: Analyzing trace with hash 318375666, now seen corresponding path program 1 times [2021-03-26 03:36:04,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:04,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195398467] [2021-03-26 03:36:04,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:04,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:36:04,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:04,083 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 03:36:04,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195398467] [2021-03-26 03:36:04,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:04,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:36:04,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102895775] [2021-03-26 03:36:04,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:36:04,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:04,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:36:04,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:36:04,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 153 [2021-03-26 03:36:04,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 101 transitions, 297 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:04,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:04,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 153 [2021-03-26 03:36:04,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:04,150 INFO L129 PetriNetUnfolder]: 499/766 cut-off events. [2021-03-26 03:36:04,150 INFO L130 PetriNetUnfolder]: For 87/87 co-relation queries the response was YES. [2021-03-26 03:36:04,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 766 events. 499/766 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3367 event pairs, 0 based on Foata normal form. 6/772 useless extension candidates. Maximal degree in co-relation 852. Up to 168 conditions per place. [2021-03-26 03:36:04,154 INFO L132 encePairwiseOnDemand]: 150/153 looper letters, 8 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2021-03-26 03:36:04,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 99 transitions, 309 flow [2021-03-26 03:36:04,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:36:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:36:04,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2021-03-26 03:36:04,162 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9520697167755992 [2021-03-26 03:36:04,162 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 437 transitions. [2021-03-26 03:36:04,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 437 transitions. [2021-03-26 03:36:04,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:04,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 437 transitions. [2021-03-26 03:36:04,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:04,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:04,165 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:04,165 INFO L185 Difference]: Start difference. First operand has 47 places, 101 transitions, 297 flow. Second operand 3 states and 437 transitions. [2021-03-26 03:36:04,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 99 transitions, 309 flow [2021-03-26 03:36:04,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 99 transitions, 308 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:04,167 INFO L241 Difference]: Finished difference. Result has 48 places, 99 transitions, 292 flow [2021-03-26 03:36:04,167 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=48, PETRI_TRANSITIONS=99} [2021-03-26 03:36:04,168 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -14 predicate places. [2021-03-26 03:36:04,168 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:04,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 99 transitions, 292 flow [2021-03-26 03:36:04,168 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 99 transitions, 292 flow [2021-03-26 03:36:04,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 99 transitions, 292 flow [2021-03-26 03:36:04,200 INFO L129 PetriNetUnfolder]: 499/766 cut-off events. [2021-03-26 03:36:04,200 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:36:04,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 783 conditions, 766 events. 499/766 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2936 event pairs, 0 based on Foata normal form. 0/766 useless extension candidates. Maximal degree in co-relation 774. Up to 168 conditions per place. [2021-03-26 03:36:04,206 INFO L142 LiptonReduction]: Number of co-enabled transitions 1404 [2021-03-26 03:36:04,213 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:04,213 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:04,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 03:36:04,217 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 99 transitions, 292 flow [2021-03-26 03:36:04,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:04,217 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:04,218 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:04,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 03:36:04,218 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:04,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:04,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1259935062, now seen corresponding path program 1 times [2021-03-26 03:36:04,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:04,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288844237] [2021-03-26 03:36:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:04,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:04,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:36:04,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:04,256 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 03:36:04,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288844237] [2021-03-26 03:36:04,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:04,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:36:04,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518238068] [2021-03-26 03:36:04,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:36:04,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:04,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:36:04,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:36:04,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 153 [2021-03-26 03:36:04,259 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 99 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:04,259 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:04,259 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 153 [2021-03-26 03:36:04,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:04,291 INFO L129 PetriNetUnfolder]: 109/212 cut-off events. [2021-03-26 03:36:04,292 INFO L130 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2021-03-26 03:36:04,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 212 events. 109/212 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 766 event pairs, 0 based on Foata normal form. 81/293 useless extension candidates. Maximal degree in co-relation 222. Up to 45 conditions per place. [2021-03-26 03:36:04,293 INFO L132 encePairwiseOnDemand]: 143/153 looper letters, 1 selfloop transitions, 1 changer transitions 0/81 dead transitions. [2021-03-26 03:36:04,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 81 transitions, 242 flow [2021-03-26 03:36:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:36:04,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:36:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2021-03-26 03:36:04,294 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9520697167755992 [2021-03-26 03:36:04,295 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 437 transitions. [2021-03-26 03:36:04,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 437 transitions. [2021-03-26 03:36:04,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:04,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 437 transitions. [2021-03-26 03:36:04,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:04,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:04,297 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:04,297 INFO L185 Difference]: Start difference. First operand has 48 places, 99 transitions, 292 flow. Second operand 3 states and 437 transitions. [2021-03-26 03:36:04,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 81 transitions, 242 flow [2021-03-26 03:36:04,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 81 transitions, 241 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:04,303 INFO L241 Difference]: Finished difference. Result has 49 places, 81 transitions, 239 flow [2021-03-26 03:36:04,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=239, PETRI_PLACES=49, PETRI_TRANSITIONS=81} [2021-03-26 03:36:04,303 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -13 predicate places. [2021-03-26 03:36:04,303 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:04,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 81 transitions, 239 flow [2021-03-26 03:36:04,304 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 81 transitions, 239 flow [2021-03-26 03:36:04,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 81 transitions, 239 flow [2021-03-26 03:36:04,314 INFO L129 PetriNetUnfolder]: 109/212 cut-off events. [2021-03-26 03:36:04,314 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:36:04,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 212 events. 109/212 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 657 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 221. Up to 45 conditions per place. [2021-03-26 03:36:04,316 INFO L142 LiptonReduction]: Number of co-enabled transitions 902 [2021-03-26 03:36:04,320 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:04,320 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:04,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 03:36:04,323 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 81 transitions, 239 flow [2021-03-26 03:36:04,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:04,324 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:04,324 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:04,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 03:36:04,324 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:04,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:04,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1291197958, now seen corresponding path program 1 times [2021-03-26 03:36:04,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:04,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084557026] [2021-03-26 03:36:04,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:04,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:04,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:36:04,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:04,353 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 03:36:04,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084557026] [2021-03-26 03:36:04,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:04,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:36:04,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249608323] [2021-03-26 03:36:04,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:36:04,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:04,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:36:04,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:36:04,355 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 153 [2021-03-26 03:36:04,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 81 transitions, 239 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:04,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:04,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 153 [2021-03-26 03:36:04,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:04,370 INFO L129 PetriNetUnfolder]: 17/64 cut-off events. [2021-03-26 03:36:04,371 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2021-03-26 03:36:04,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 64 events. 17/64 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 119 event pairs, 0 based on Foata normal form. 24/88 useless extension candidates. Maximal degree in co-relation 75. Up to 10 conditions per place. [2021-03-26 03:36:04,371 INFO L132 encePairwiseOnDemand]: 144/153 looper letters, 1 selfloop transitions, 1 changer transitions 0/52 dead transitions. [2021-03-26 03:36:04,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 52 transitions, 156 flow [2021-03-26 03:36:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:36:04,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:36:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2021-03-26 03:36:04,373 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9498910675381264 [2021-03-26 03:36:04,373 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 436 transitions. [2021-03-26 03:36:04,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 436 transitions. [2021-03-26 03:36:04,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:04,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 436 transitions. [2021-03-26 03:36:04,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:04,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:04,377 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:04,377 INFO L185 Difference]: Start difference. First operand has 49 places, 81 transitions, 239 flow. Second operand 3 states and 436 transitions. [2021-03-26 03:36:04,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 52 transitions, 156 flow [2021-03-26 03:36:04,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 52 transitions, 155 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:04,378 INFO L241 Difference]: Finished difference. Result has 50 places, 52 transitions, 153 flow [2021-03-26 03:36:04,379 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=50, PETRI_TRANSITIONS=52} [2021-03-26 03:36:04,379 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -12 predicate places. [2021-03-26 03:36:04,379 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:04,379 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 52 transitions, 153 flow [2021-03-26 03:36:04,379 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 52 transitions, 153 flow [2021-03-26 03:36:04,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 52 transitions, 153 flow [2021-03-26 03:36:04,384 INFO L129 PetriNetUnfolder]: 17/64 cut-off events. [2021-03-26 03:36:04,384 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:36:04,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 64 events. 17/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 116 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 74. Up to 10 conditions per place. [2021-03-26 03:36:04,385 INFO L142 LiptonReduction]: Number of co-enabled transitions 542 [2021-03-26 03:36:04,387 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:04,387 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:04,387 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 03:36:04,388 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 52 transitions, 153 flow [2021-03-26 03:36:04,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:04,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:04,389 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:04,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 03:36:04,389 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:04,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:04,390 INFO L82 PathProgramCache]: Analyzing trace with hash 937811846, now seen corresponding path program 1 times [2021-03-26 03:36:04,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:04,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276838816] [2021-03-26 03:36:04,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:04,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:04,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:36:04,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:04,422 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 03:36:04,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276838816] [2021-03-26 03:36:04,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:04,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:36:04,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606904832] [2021-03-26 03:36:04,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:36:04,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:04,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:36:04,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:36:04,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 153 [2021-03-26 03:36:04,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 52 transitions, 153 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:04,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:04,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 153 [2021-03-26 03:36:04,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:04,436 INFO L129 PetriNetUnfolder]: 1/33 cut-off events. [2021-03-26 03:36:04,436 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 03:36:04,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 33 events. 1/33 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 6/39 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2021-03-26 03:36:04,436 INFO L132 encePairwiseOnDemand]: 147/153 looper letters, 1 selfloop transitions, 1 changer transitions 0/33 dead transitions. [2021-03-26 03:36:04,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 33 transitions, 100 flow [2021-03-26 03:36:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:36:04,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:36:04,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 433 transitions. [2021-03-26 03:36:04,438 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9433551198257081 [2021-03-26 03:36:04,438 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 433 transitions. [2021-03-26 03:36:04,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 433 transitions. [2021-03-26 03:36:04,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:04,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 433 transitions. [2021-03-26 03:36:04,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:04,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:04,440 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:36:04,441 INFO L185 Difference]: Start difference. First operand has 50 places, 52 transitions, 153 flow. Second operand 3 states and 433 transitions. [2021-03-26 03:36:04,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 33 transitions, 100 flow [2021-03-26 03:36:04,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 33 transitions, 99 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:04,442 INFO L241 Difference]: Finished difference. Result has 51 places, 33 transitions, 97 flow [2021-03-26 03:36:04,442 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=51, PETRI_TRANSITIONS=33} [2021-03-26 03:36:04,443 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -11 predicate places. [2021-03-26 03:36:04,443 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:04,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 33 transitions, 97 flow [2021-03-26 03:36:04,443 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 33 transitions, 97 flow [2021-03-26 03:36:04,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 33 transitions, 97 flow [2021-03-26 03:36:04,447 INFO L129 PetriNetUnfolder]: 1/33 cut-off events. [2021-03-26 03:36:04,447 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:36:04,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 33 events. 1/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-03-26 03:36:04,447 INFO L142 LiptonReduction]: Number of co-enabled transitions 304 [2021-03-26 03:36:04,448 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:04,448 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:04,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 03:36:04,452 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 33 transitions, 97 flow [2021-03-26 03:36:04,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:36:04,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:04,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:04,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 03:36:04,453 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:04,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:04,454 INFO L82 PathProgramCache]: Analyzing trace with hash -300766876, now seen corresponding path program 1 times [2021-03-26 03:36:04,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:04,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012141128] [2021-03-26 03:36:04,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:04,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:04,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:36:04,591 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:36:04,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:36:04,614 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:36:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:36:04,653 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:36:04,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:36:04,705 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:36:04,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:36:04,761 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-26 03:36:04,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 03:36:04,821 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-26 03:36:04,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 03:36:04,871 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:36:04,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:36:04,929 INFO L142 QuantifierPusher]: treesize reduction 72, result has 49.7 percent of original size [2021-03-26 03:36:04,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 03:36:05,002 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:36:05,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:36:05,062 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 03:36:05,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012141128] [2021-03-26 03:36:05,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:05,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:36:05,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22439043] [2021-03-26 03:36:05,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:36:05,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:05,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:36:05,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:36:05,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:36:05,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 33 transitions, 97 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:05,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:05,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:36:05,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:05,628 INFO L129 PetriNetUnfolder]: 5451/7502 cut-off events. [2021-03-26 03:36:05,628 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:36:05,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14445 conditions, 7502 events. 5451/7502 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 41588 event pairs, 1793 based on Foata normal form. 1/7250 useless extension candidates. Maximal degree in co-relation 14435. Up to 2561 conditions per place. [2021-03-26 03:36:05,686 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 54 selfloop transitions, 10 changer transitions 0/86 dead transitions. [2021-03-26 03:36:05,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 86 transitions, 331 flow [2021-03-26 03:36:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:36:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:36:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:36:05,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:36:05,690 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:36:05,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:36:05,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:05,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:36:05,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:05,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:05,698 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:05,698 INFO L185 Difference]: Start difference. First operand has 51 places, 33 transitions, 97 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:36:05,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 86 transitions, 331 flow [2021-03-26 03:36:05,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 86 transitions, 330 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:05,701 INFO L241 Difference]: Finished difference. Result has 71 places, 42 transitions, 173 flow [2021-03-26 03:36:05,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=173, PETRI_PLACES=71, PETRI_TRANSITIONS=42} [2021-03-26 03:36:05,701 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 9 predicate places. [2021-03-26 03:36:05,702 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:05,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 42 transitions, 173 flow [2021-03-26 03:36:05,702 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 42 transitions, 173 flow [2021-03-26 03:36:05,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 42 transitions, 173 flow [2021-03-26 03:36:05,713 INFO L129 PetriNetUnfolder]: 4/124 cut-off events. [2021-03-26 03:36:05,713 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-03-26 03:36:05,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 124 events. 4/124 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 573 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 189. Up to 10 conditions per place. [2021-03-26 03:36:05,714 INFO L142 LiptonReduction]: Number of co-enabled transitions 508 [2021-03-26 03:36:05,716 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:05,716 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:05,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 03:36:05,717 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 42 transitions, 173 flow [2021-03-26 03:36:05,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:05,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:05,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:05,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 03:36:05,718 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:05,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:05,719 INFO L82 PathProgramCache]: Analyzing trace with hash -2005207858, now seen corresponding path program 2 times [2021-03-26 03:36:05,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:05,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160485502] [2021-03-26 03:36:05,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:05,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:05,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:05,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:05,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:36:05,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:05,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:36:05,801 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:36:05,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:36:05,817 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:36:05,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:36:05,837 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:36:05,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:36:05,863 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:36:05,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:36:05,894 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:36:05,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:36:05,931 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 03:36:05,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 03:36:05,977 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 03:36:05,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 03:36:06,033 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:36:06,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:36:06,083 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 03:36:06,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160485502] [2021-03-26 03:36:06,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:06,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:36:06,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109966773] [2021-03-26 03:36:06,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:36:06,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:06,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:36:06,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:36:06,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:36:06,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 42 transitions, 173 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:06,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:06,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:36:06,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:07,162 INFO L129 PetriNetUnfolder]: 7397/11813 cut-off events. [2021-03-26 03:36:07,163 INFO L130 PetriNetUnfolder]: For 11652/11673 co-relation queries the response was YES. [2021-03-26 03:36:07,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31216 conditions, 11813 events. 7397/11813 cut-off events. For 11652/11673 co-relation queries the response was YES. Maximal size of possible extension queue 813. Compared 83482 event pairs, 2307 based on Foata normal form. 1/11559 useless extension candidates. Maximal degree in co-relation 31196. Up to 3497 conditions per place. [2021-03-26 03:36:07,277 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 78 selfloop transitions, 17 changer transitions 0/117 dead transitions. [2021-03-26 03:36:07,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 117 transitions, 716 flow [2021-03-26 03:36:07,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:36:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:36:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:36:07,281 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:36:07,281 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:36:07,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:36:07,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:07,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:36:07,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:07,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:07,288 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:07,288 INFO L185 Difference]: Start difference. First operand has 71 places, 42 transitions, 173 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:36:07,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 117 transitions, 716 flow [2021-03-26 03:36:07,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 117 transitions, 706 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:07,297 INFO L241 Difference]: Finished difference. Result has 91 places, 57 transitions, 342 flow [2021-03-26 03:36:07,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=342, PETRI_PLACES=91, PETRI_TRANSITIONS=57} [2021-03-26 03:36:07,297 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 29 predicate places. [2021-03-26 03:36:07,297 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:07,297 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 57 transitions, 342 flow [2021-03-26 03:36:07,298 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 57 transitions, 342 flow [2021-03-26 03:36:07,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 57 transitions, 342 flow [2021-03-26 03:36:07,324 INFO L129 PetriNetUnfolder]: 10/375 cut-off events. [2021-03-26 03:36:07,324 INFO L130 PetriNetUnfolder]: For 212/226 co-relation queries the response was YES. [2021-03-26 03:36:07,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 375 events. 10/375 cut-off events. For 212/226 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3093 event pairs, 0 based on Foata normal form. 0/325 useless extension candidates. Maximal degree in co-relation 654. Up to 37 conditions per place. [2021-03-26 03:36:07,328 INFO L142 LiptonReduction]: Number of co-enabled transitions 746 [2021-03-26 03:36:07,330 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:07,330 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:07,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 03:36:07,331 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 57 transitions, 342 flow [2021-03-26 03:36:07,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:07,332 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:07,332 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:07,332 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 03:36:07,332 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:07,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:07,333 INFO L82 PathProgramCache]: Analyzing trace with hash -629502388, now seen corresponding path program 3 times [2021-03-26 03:36:07,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:07,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862623175] [2021-03-26 03:36:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:07,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:07,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:07,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:07,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:36:07,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:07,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:36:07,381 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:36:07,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:36:07,392 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:36:07,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:36:07,408 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:36:07,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:36:07,431 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:36:07,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:36:07,462 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:36:07,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:36:07,496 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:36:07,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:36:07,536 INFO L142 QuantifierPusher]: treesize reduction 72, result has 49.7 percent of original size [2021-03-26 03:36:07,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 03:36:07,586 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:36:07,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:36:07,631 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 03:36:07,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862623175] [2021-03-26 03:36:07,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:07,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:36:07,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757468336] [2021-03-26 03:36:07,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:36:07,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:07,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:36:07,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:36:07,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:36:07,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 57 transitions, 342 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:07,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:07,635 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:36:07,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:09,055 INFO L129 PetriNetUnfolder]: 9902/16979 cut-off events. [2021-03-26 03:36:09,055 INFO L130 PetriNetUnfolder]: For 44887/45655 co-relation queries the response was YES. [2021-03-26 03:36:09,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57174 conditions, 16979 events. 9902/16979 cut-off events. For 44887/45655 co-relation queries the response was YES. Maximal size of possible extension queue 1442. Compared 140887 event pairs, 2941 based on Foata normal form. 1/16716 useless extension candidates. Maximal degree in co-relation 57144. Up to 4901 conditions per place. [2021-03-26 03:36:09,237 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 102 selfloop transitions, 31 changer transitions 0/155 dead transitions. [2021-03-26 03:36:09,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 155 transitions, 1313 flow [2021-03-26 03:36:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:36:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:36:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:36:09,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:36:09,241 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:36:09,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:36:09,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:09,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:36:09,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:09,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:09,248 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:09,248 INFO L185 Difference]: Start difference. First operand has 91 places, 57 transitions, 342 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:36:09,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 155 transitions, 1313 flow [2021-03-26 03:36:09,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 155 transitions, 1292 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:09,337 INFO L241 Difference]: Finished difference. Result has 111 places, 85 transitions, 731 flow [2021-03-26 03:36:09,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=731, PETRI_PLACES=111, PETRI_TRANSITIONS=85} [2021-03-26 03:36:09,337 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 49 predicate places. [2021-03-26 03:36:09,337 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:09,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 85 transitions, 731 flow [2021-03-26 03:36:09,338 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 85 transitions, 731 flow [2021-03-26 03:36:09,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 85 transitions, 731 flow [2021-03-26 03:36:09,415 INFO L129 PetriNetUnfolder]: 22/836 cut-off events. [2021-03-26 03:36:09,415 INFO L130 PetriNetUnfolder]: For 1038/1128 co-relation queries the response was YES. [2021-03-26 03:36:09,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1708 conditions, 836 events. 22/836 cut-off events. For 1038/1128 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 8964 event pairs, 0 based on Foata normal form. 2/731 useless extension candidates. Maximal degree in co-relation 1669. Up to 84 conditions per place. [2021-03-26 03:36:09,426 INFO L142 LiptonReduction]: Number of co-enabled transitions 1190 [2021-03-26 03:36:09,430 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:09,430 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:09,431 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94 [2021-03-26 03:36:09,431 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 85 transitions, 731 flow [2021-03-26 03:36:09,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:09,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:09,432 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:09,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 03:36:09,433 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:09,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:09,433 INFO L82 PathProgramCache]: Analyzing trace with hash -263008046, now seen corresponding path program 4 times [2021-03-26 03:36:09,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:09,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762794679] [2021-03-26 03:36:09,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:09,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:09,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:09,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:09,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:36:09,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:09,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:36:09,491 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:36:09,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:36:09,502 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:36:09,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:36:09,518 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:36:09,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:36:09,549 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:36:09,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:36:09,579 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:36:09,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:36:09,612 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:36:09,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:36:09,659 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 03:36:09,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 03:36:09,709 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:36:09,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:36:09,753 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 03:36:09,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762794679] [2021-03-26 03:36:09,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:09,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:36:09,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281563942] [2021-03-26 03:36:09,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:36:09,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:09,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:36:09,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:36:09,756 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:36:09,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 85 transitions, 731 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:09,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:09,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:36:09,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:12,020 INFO L129 PetriNetUnfolder]: 13302/24253 cut-off events. [2021-03-26 03:36:12,020 INFO L130 PetriNetUnfolder]: For 120897/122063 co-relation queries the response was YES. [2021-03-26 03:36:12,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98494 conditions, 24253 events. 13302/24253 cut-off events. For 120897/122063 co-relation queries the response was YES. Maximal size of possible extension queue 2266. Compared 229626 event pairs, 3901 based on Foata normal form. 1/23944 useless extension candidates. Maximal degree in co-relation 98454. Up to 6916 conditions per place. [2021-03-26 03:36:12,412 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 145 selfloop transitions, 57 changer transitions 0/224 dead transitions. [2021-03-26 03:36:12,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 224 transitions, 2538 flow [2021-03-26 03:36:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:36:12,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:36:12,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:36:12,417 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:36:12,417 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:36:12,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:36:12,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:12,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:36:12,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:12,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:12,426 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:12,426 INFO L185 Difference]: Start difference. First operand has 111 places, 85 transitions, 731 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:36:12,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 224 transitions, 2538 flow [2021-03-26 03:36:12,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 224 transitions, 2516 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:12,753 INFO L241 Difference]: Finished difference. Result has 131 places, 137 transitions, 1611 flow [2021-03-26 03:36:12,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1611, PETRI_PLACES=131, PETRI_TRANSITIONS=137} [2021-03-26 03:36:12,753 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 69 predicate places. [2021-03-26 03:36:12,753 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:12,754 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 137 transitions, 1611 flow [2021-03-26 03:36:12,754 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 137 transitions, 1611 flow [2021-03-26 03:36:12,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 137 transitions, 1611 flow [2021-03-26 03:36:12,905 INFO L129 PetriNetUnfolder]: 46/1673 cut-off events. [2021-03-26 03:36:12,905 INFO L130 PetriNetUnfolder]: For 3717/4010 co-relation queries the response was YES. [2021-03-26 03:36:12,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3845 conditions, 1673 events. 46/1673 cut-off events. For 3717/4010 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 21345 event pairs, 0 based on Foata normal form. 12/1485 useless extension candidates. Maximal degree in co-relation 3796. Up to 167 conditions per place. [2021-03-26 03:36:12,932 INFO L142 LiptonReduction]: Number of co-enabled transitions 1984 [2021-03-26 03:36:12,941 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:12,941 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:12,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 188 [2021-03-26 03:36:12,942 INFO L480 AbstractCegarLoop]: Abstraction has has 131 places, 137 transitions, 1611 flow [2021-03-26 03:36:12,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:12,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:12,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:12,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 03:36:12,943 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:12,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:12,943 INFO L82 PathProgramCache]: Analyzing trace with hash -277337024, now seen corresponding path program 5 times [2021-03-26 03:36:12,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:12,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868062155] [2021-03-26 03:36:12,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:12,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:12,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:12,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:12,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:36:12,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:12,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:36:12,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:12,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:36:13,007 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:36:13,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:36:13,023 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:36:13,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:36:13,046 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:36:13,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:36:13,078 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:36:13,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:36:13,115 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:36:13,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:36:13,155 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 03:36:13,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 03:36:13,212 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:36:13,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:36:13,260 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 03:36:13,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868062155] [2021-03-26 03:36:13,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:13,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:36:13,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751227451] [2021-03-26 03:36:13,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:36:13,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:13,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:36:13,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:36:13,263 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:36:13,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 137 transitions, 1611 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:13,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:13,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:36:13,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:18,432 INFO L129 PetriNetUnfolder]: 18649/35955 cut-off events. [2021-03-26 03:36:18,433 INFO L130 PetriNetUnfolder]: For 286452/289473 co-relation queries the response was YES. [2021-03-26 03:36:18,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171957 conditions, 35955 events. 18649/35955 cut-off events. For 286452/289473 co-relation queries the response was YES. Maximal size of possible extension queue 3379. Compared 379596 event pairs, 4803 based on Foata normal form. 1/35424 useless extension candidates. Maximal degree in co-relation 171907. Up to 10541 conditions per place. [2021-03-26 03:36:18,958 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 225 selfloop transitions, 69 changer transitions 0/316 dead transitions. [2021-03-26 03:36:18,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 316 transitions, 4420 flow [2021-03-26 03:36:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:36:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:36:18,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:36:18,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:36:18,962 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:36:18,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:36:18,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:18,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:36:18,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:18,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:18,970 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:18,970 INFO L185 Difference]: Start difference. First operand has 131 places, 137 transitions, 1611 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:36:18,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 316 transitions, 4420 flow [2021-03-26 03:36:19,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 316 transitions, 4394 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:19,689 INFO L241 Difference]: Finished difference. Result has 151 places, 181 transitions, 2506 flow [2021-03-26 03:36:19,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=1596, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2506, PETRI_PLACES=151, PETRI_TRANSITIONS=181} [2021-03-26 03:36:19,689 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 89 predicate places. [2021-03-26 03:36:19,690 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:19,690 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 181 transitions, 2506 flow [2021-03-26 03:36:19,690 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 181 transitions, 2506 flow [2021-03-26 03:36:19,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 181 transitions, 2506 flow [2021-03-26 03:36:20,118 INFO L129 PetriNetUnfolder]: 144/3901 cut-off events. [2021-03-26 03:36:20,118 INFO L130 PetriNetUnfolder]: For 13849/14325 co-relation queries the response was YES. [2021-03-26 03:36:20,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10174 conditions, 3901 events. 144/3901 cut-off events. For 13849/14325 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 58194 event pairs, 0 based on Foata normal form. 12/3487 useless extension candidates. Maximal degree in co-relation 10115. Up to 334 conditions per place. [2021-03-26 03:36:20,180 INFO L142 LiptonReduction]: Number of co-enabled transitions 2546 [2021-03-26 03:36:20,192 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:20,192 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:20,193 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 503 [2021-03-26 03:36:20,194 INFO L480 AbstractCegarLoop]: Abstraction has has 151 places, 181 transitions, 2506 flow [2021-03-26 03:36:20,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:20,194 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:20,194 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:20,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 03:36:20,195 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:20,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:20,195 INFO L82 PathProgramCache]: Analyzing trace with hash -192685538, now seen corresponding path program 6 times [2021-03-26 03:36:20,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:20,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103170195] [2021-03-26 03:36:20,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:20,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:20,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:20,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:20,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:36:20,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:20,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:36:20,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:20,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:36:20,252 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:36:20,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:36:20,266 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:36:20,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:36:20,287 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:36:20,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:36:20,316 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-26 03:36:20,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 03:36:20,351 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:36:20,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:36:20,408 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 03:36:20,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 03:36:20,491 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:36:20,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:36:20,534 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 03:36:20,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103170195] [2021-03-26 03:36:20,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:20,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:36:20,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88600046] [2021-03-26 03:36:20,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:36:20,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:20,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:36:20,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:36:20,537 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:36:20,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 181 transitions, 2506 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:20,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:20,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:36:20,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:28,270 INFO L129 PetriNetUnfolder]: 24049/48586 cut-off events. [2021-03-26 03:36:28,270 INFO L130 PetriNetUnfolder]: For 547455/554333 co-relation queries the response was YES. [2021-03-26 03:36:29,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 260790 conditions, 48586 events. 24049/48586 cut-off events. For 547455/554333 co-relation queries the response was YES. Maximal size of possible extension queue 4572. Compared 558582 event pairs, 7450 based on Foata normal form. 1/47711 useless extension candidates. Maximal degree in co-relation 260730. Up to 13995 conditions per place. [2021-03-26 03:36:29,392 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 236 selfloop transitions, 94 changer transitions 0/352 dead transitions. [2021-03-26 03:36:29,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 352 transitions, 5566 flow [2021-03-26 03:36:29,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:36:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:36:29,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:36:29,396 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:36:29,396 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:36:29,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:36:29,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:29,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:36:29,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:29,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:29,403 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:29,404 INFO L185 Difference]: Start difference. First operand has 151 places, 181 transitions, 2506 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:36:29,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 352 transitions, 5566 flow [2021-03-26 03:36:31,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 352 transitions, 5392 flow, removed 71 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:31,214 INFO L241 Difference]: Finished difference. Result has 171 places, 230 transitions, 3548 flow [2021-03-26 03:36:31,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=2404, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3548, PETRI_PLACES=171, PETRI_TRANSITIONS=230} [2021-03-26 03:36:31,215 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 109 predicate places. [2021-03-26 03:36:31,215 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:31,215 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 230 transitions, 3548 flow [2021-03-26 03:36:31,215 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 230 transitions, 3548 flow [2021-03-26 03:36:31,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 171 places, 230 transitions, 3548 flow [2021-03-26 03:36:31,940 INFO L129 PetriNetUnfolder]: 204/5460 cut-off events. [2021-03-26 03:36:31,940 INFO L130 PetriNetUnfolder]: For 25023/25759 co-relation queries the response was YES. [2021-03-26 03:36:31,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15322 conditions, 5460 events. 204/5460 cut-off events. For 25023/25759 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 86333 event pairs, 0 based on Foata normal form. 12/4915 useless extension candidates. Maximal degree in co-relation 15253. Up to 471 conditions per place. [2021-03-26 03:36:32,026 INFO L142 LiptonReduction]: Number of co-enabled transitions 3212 [2021-03-26 03:36:32,044 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:32,044 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:32,044 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 829 [2021-03-26 03:36:32,045 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 230 transitions, 3548 flow [2021-03-26 03:36:32,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:32,046 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:32,046 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:32,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 03:36:32,046 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:32,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:32,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1030058894, now seen corresponding path program 7 times [2021-03-26 03:36:32,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:32,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058417769] [2021-03-26 03:36:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:32,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:32,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:32,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:32,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:36:32,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:32,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:36:32,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:32,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:36:32,093 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:36:32,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:36:32,108 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:36:32,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:36:32,130 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:36:32,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:36:32,158 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-26 03:36:32,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 03:36:32,218 INFO L142 QuantifierPusher]: treesize reduction 45, result has 59.1 percent of original size [2021-03-26 03:36:32,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:36:32,282 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 03:36:32,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 03:36:32,334 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:36:32,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:36:32,378 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 03:36:32,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058417769] [2021-03-26 03:36:32,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:32,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:36:32,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902974988] [2021-03-26 03:36:32,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:36:32,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:32,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:36:32,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:36:32,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:36:32,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 230 transitions, 3548 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:32,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:32,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:36:32,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:36:45,838 INFO L129 PetriNetUnfolder]: 32623/69447 cut-off events. [2021-03-26 03:36:45,839 INFO L130 PetriNetUnfolder]: For 1024256/1037782 co-relation queries the response was YES. [2021-03-26 03:36:47,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 405011 conditions, 69447 events. 32623/69447 cut-off events. For 1024256/1037782 co-relation queries the response was YES. Maximal size of possible extension queue 7000. Compared 868704 event pairs, 16526 based on Foata normal form. 1/68369 useless extension candidates. Maximal degree in co-relation 404941. Up to 20004 conditions per place. [2021-03-26 03:36:47,686 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 332 selfloop transitions, 122 changer transitions 0/476 dead transitions. [2021-03-26 03:36:47,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 476 transitions, 8553 flow [2021-03-26 03:36:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:36:47,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:36:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:36:47,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:36:47,691 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:36:47,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:36:47,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:36:47,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:36:47,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:47,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:47,697 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:47,697 INFO L185 Difference]: Start difference. First operand has 171 places, 230 transitions, 3548 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:36:47,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 476 transitions, 8553 flow [2021-03-26 03:36:51,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 476 transitions, 8350 flow, removed 82 selfloop flow, removed 1 redundant places. [2021-03-26 03:36:51,857 INFO L241 Difference]: Finished difference. Result has 191 places, 320 transitions, 5656 flow [2021-03-26 03:36:51,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5656, PETRI_PLACES=191, PETRI_TRANSITIONS=320} [2021-03-26 03:36:51,857 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 129 predicate places. [2021-03-26 03:36:51,857 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:36:51,857 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 191 places, 320 transitions, 5656 flow [2021-03-26 03:36:51,857 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 191 places, 320 transitions, 5656 flow [2021-03-26 03:36:51,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 191 places, 320 transitions, 5656 flow [2021-03-26 03:36:53,456 INFO L129 PetriNetUnfolder]: 416/9715 cut-off events. [2021-03-26 03:36:53,456 INFO L130 PetriNetUnfolder]: For 60495/62418 co-relation queries the response was YES. [2021-03-26 03:36:53,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29873 conditions, 9715 events. 416/9715 cut-off events. For 60495/62418 co-relation queries the response was YES. Maximal size of possible extension queue 928. Compared 168919 event pairs, 0 based on Foata normal form. 122/9027 useless extension candidates. Maximal degree in co-relation 29794. Up to 832 conditions per place. [2021-03-26 03:36:53,592 INFO L142 LiptonReduction]: Number of co-enabled transitions 4166 [2021-03-26 03:36:53,608 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:36:53,608 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:36:53,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1751 [2021-03-26 03:36:53,609 INFO L480 AbstractCegarLoop]: Abstraction has has 191 places, 320 transitions, 5656 flow [2021-03-26 03:36:53,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:53,610 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:36:53,610 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:36:53,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 03:36:53,610 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:36:53,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:36:53,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1542497040, now seen corresponding path program 8 times [2021-03-26 03:36:53,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:36:53,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239519488] [2021-03-26 03:36:53,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:36:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:36:53,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:53,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:36:53,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:53,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:36:53,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:36:53,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:36:53,654 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:36:53,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:36:53,666 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:36:53,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:36:53,685 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:36:53,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:36:53,704 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:36:53,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:36:53,727 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:36:53,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:36:53,761 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:36:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:36:53,793 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 03:36:53,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 03:36:53,840 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:36:53,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:36:53,874 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 03:36:53,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239519488] [2021-03-26 03:36:53,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:36:53,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:36:53,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263667140] [2021-03-26 03:36:53,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:36:53,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:36:53,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:36:53,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:36:53,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:36:53,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 320 transitions, 5656 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:36:53,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:36:53,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:36:53,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:37:24,150 INFO L129 PetriNetUnfolder]: 46496/117392 cut-off events. [2021-03-26 03:37:24,150 INFO L130 PetriNetUnfolder]: For 1876882/1915504 co-relation queries the response was YES. [2021-03-26 03:37:26,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 653171 conditions, 117392 events. 46496/117392 cut-off events. For 1876882/1915504 co-relation queries the response was YES. Maximal size of possible extension queue 12713. Compared 1798544 event pairs, 14912 based on Foata normal form. 12/115339 useless extension candidates. Maximal degree in co-relation 653091. Up to 29364 conditions per place. [2021-03-26 03:37:27,090 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 371 selfloop transitions, 196 changer transitions 0/589 dead transitions. [2021-03-26 03:37:27,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 589 transitions, 11905 flow [2021-03-26 03:37:27,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:37:27,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:37:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:37:27,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:37:27,097 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:37:27,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:37:27,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:37:27,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:37:27,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:37:27,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:37:27,102 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:37:27,103 INFO L185 Difference]: Start difference. First operand has 191 places, 320 transitions, 5656 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:37:27,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 589 transitions, 11905 flow [2021-03-26 03:37:35,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 589 transitions, 11734 flow, removed 68 selfloop flow, removed 1 redundant places. [2021-03-26 03:37:35,732 INFO L241 Difference]: Finished difference. Result has 211 places, 464 transitions, 9496 flow [2021-03-26 03:37:35,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=5540, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9496, PETRI_PLACES=211, PETRI_TRANSITIONS=464} [2021-03-26 03:37:35,732 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 149 predicate places. [2021-03-26 03:37:35,732 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:37:35,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 464 transitions, 9496 flow [2021-03-26 03:37:35,732 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 464 transitions, 9496 flow [2021-03-26 03:37:35,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 464 transitions, 9496 flow [2021-03-26 03:37:40,108 INFO L129 PetriNetUnfolder]: 772/17206 cut-off events. [2021-03-26 03:37:40,108 INFO L130 PetriNetUnfolder]: For 150847/153360 co-relation queries the response was YES. [2021-03-26 03:37:40,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59165 conditions, 17206 events. 772/17206 cut-off events. For 150847/153360 co-relation queries the response was YES. Maximal size of possible extension queue 1732. Compared 325787 event pairs, 0 based on Foata normal form. 68/16101 useless extension candidates. Maximal degree in co-relation 59076. Up to 1544 conditions per place. [2021-03-26 03:37:40,428 INFO L142 LiptonReduction]: Number of co-enabled transitions 5230 [2021-03-26 03:37:40,494 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:37:40,494 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:37:40,494 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4762 [2021-03-26 03:37:40,495 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 464 transitions, 9496 flow [2021-03-26 03:37:40,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:37:40,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:37:40,495 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:37:40,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 03:37:40,496 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:37:40,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:37:40,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1828638614, now seen corresponding path program 9 times [2021-03-26 03:37:40,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:37:40,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614616652] [2021-03-26 03:37:40,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:37:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:37:40,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:37:40,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:37:40,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:37:40,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:37:40,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:37:40,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:37:40,535 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:37:40,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:37:40,545 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:37:40,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:37:40,559 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:37:40,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:37:40,594 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 03:37:40,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:37:40,639 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-26 03:37:40,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 03:37:40,696 INFO L142 QuantifierPusher]: treesize reduction 45, result has 59.1 percent of original size [2021-03-26 03:37:40,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:37:40,754 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 03:37:40,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 03:37:40,806 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:37:40,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:37:40,852 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 03:37:40,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614616652] [2021-03-26 03:37:40,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:37:40,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:37:40,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157684662] [2021-03-26 03:37:40,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:37:40,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:37:40,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:37:40,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:37:40,855 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:37:40,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 464 transitions, 9496 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:37:40,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:37:40,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:37:40,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:38:23,186 INFO L129 PetriNetUnfolder]: 50796/124109 cut-off events. [2021-03-26 03:38:23,187 INFO L130 PetriNetUnfolder]: For 2577699/2678527 co-relation queries the response was YES. [2021-03-26 03:38:25,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 774305 conditions, 124109 events. 50796/124109 cut-off events. For 2577699/2678527 co-relation queries the response was YES. Maximal size of possible extension queue 13413. Compared 1873139 event pairs, 15999 based on Foata normal form. 13/122205 useless extension candidates. Maximal degree in co-relation 774215. Up to 35579 conditions per place. [2021-03-26 03:38:26,634 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 396 selfloop transitions, 281 changer transitions 0/699 dead transitions. [2021-03-26 03:38:26,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 699 transitions, 16179 flow [2021-03-26 03:38:26,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:38:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:38:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:38:26,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:38:26,636 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:38:26,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:38:26,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:38:26,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:38:26,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:38:26,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:38:26,641 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:38:26,641 INFO L185 Difference]: Start difference. First operand has 211 places, 464 transitions, 9496 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:38:26,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 699 transitions, 16179 flow [2021-03-26 03:38:47,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 699 transitions, 16012 flow, removed 53 selfloop flow, removed 1 redundant places. [2021-03-26 03:38:47,195 INFO L241 Difference]: Finished difference. Result has 231 places, 641 transitions, 15002 flow [2021-03-26 03:38:47,195 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=9338, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15002, PETRI_PLACES=231, PETRI_TRANSITIONS=641} [2021-03-26 03:38:47,195 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 169 predicate places. [2021-03-26 03:38:47,195 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:38:47,196 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 231 places, 641 transitions, 15002 flow [2021-03-26 03:38:47,196 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 231 places, 641 transitions, 15002 flow [2021-03-26 03:38:47,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 231 places, 641 transitions, 15002 flow [2021-03-26 03:38:52,445 INFO L129 PetriNetUnfolder]: 784/18718 cut-off events. [2021-03-26 03:38:52,445 INFO L130 PetriNetUnfolder]: For 212977/218675 co-relation queries the response was YES. [2021-03-26 03:38:52,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68824 conditions, 18718 events. 784/18718 cut-off events. For 212977/218675 co-relation queries the response was YES. Maximal size of possible extension queue 1826. Compared 360016 event pairs, 0 based on Foata normal form. 22/17527 useless extension candidates. Maximal degree in co-relation 68725. Up to 1568 conditions per place. [2021-03-26 03:38:52,807 INFO L142 LiptonReduction]: Number of co-enabled transitions 6252 [2021-03-26 03:38:53,084 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:38:53,085 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:38:53,085 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5890 [2021-03-26 03:38:53,086 INFO L480 AbstractCegarLoop]: Abstraction has has 231 places, 641 transitions, 15002 flow [2021-03-26 03:38:53,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:38:53,086 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:38:53,086 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:38:53,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 03:38:53,086 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:38:53,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:38:53,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1753095926, now seen corresponding path program 1 times [2021-03-26 03:38:53,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:38:53,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425288955] [2021-03-26 03:38:53,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:38:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:38:53,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:38:53,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:38:53,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:38:53,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:38:53,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:38:53,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:38:53,114 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 03:38:53,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425288955] [2021-03-26 03:38:53,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:38:53,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:38:53,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49077630] [2021-03-26 03:38:53,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:38:53,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:38:53,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:38:53,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:38:53,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 153 [2021-03-26 03:38:53,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 641 transitions, 15002 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:38:53,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:38:53,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 153 [2021-03-26 03:38:53,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:38:59,333 INFO L129 PetriNetUnfolder]: 0/17373 cut-off events. [2021-03-26 03:38:59,333 INFO L130 PetriNetUnfolder]: For 217689/227657 co-relation queries the response was YES. [2021-03-26 03:38:59,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68265 conditions, 17373 events. 0/17373 cut-off events. For 217689/227657 co-relation queries the response was YES. Maximal size of possible extension queue 1560. Compared 344105 event pairs, 0 based on Foata normal form. 562/16615 useless extension candidates. Maximal degree in co-relation 0. Up to 1516 conditions per place. [2021-03-26 03:38:59,358 INFO L132 encePairwiseOnDemand]: 151/153 looper letters, 1 selfloop transitions, 1 changer transitions 10/639 dead transitions. [2021-03-26 03:38:59,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 639 transitions, 15000 flow [2021-03-26 03:38:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:38:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:38:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2021-03-26 03:38:59,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.934640522875817 [2021-03-26 03:38:59,360 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 429 transitions. [2021-03-26 03:38:59,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 429 transitions. [2021-03-26 03:38:59,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:38:59,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 429 transitions. [2021-03-26 03:38:59,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:38:59,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:38:59,361 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 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 03:38:59,361 INFO L185 Difference]: Start difference. First operand has 231 places, 641 transitions, 15002 flow. Second operand 3 states and 429 transitions. [2021-03-26 03:38:59,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 639 transitions, 15000 flow [2021-03-26 03:39:02,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 639 transitions, 14760 flow, removed 68 selfloop flow, removed 1 redundant places. [2021-03-26 03:39:02,518 INFO L241 Difference]: Finished difference. Result has 232 places, 629 transitions, 14668 flow [2021-03-26 03:39:02,518 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=14756, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=639, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=638, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=14668, PETRI_PLACES=232, PETRI_TRANSITIONS=629} [2021-03-26 03:39:02,518 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 170 predicate places. [2021-03-26 03:39:02,519 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:39:02,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 232 places, 629 transitions, 14668 flow [2021-03-26 03:39:02,519 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 232 places, 629 transitions, 14668 flow [2021-03-26 03:39:02,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 629 transitions, 14668 flow [2021-03-26 03:39:07,943 INFO L129 PetriNetUnfolder]: 0/17331 cut-off events. [2021-03-26 03:39:07,943 INFO L130 PetriNetUnfolder]: For 199972/205594 co-relation queries the response was YES. [2021-03-26 03:39:07,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66057 conditions, 17331 events. 0/17331 cut-off events. For 199972/205594 co-relation queries the response was YES. Maximal size of possible extension queue 1579. Compared 344252 event pairs, 0 based on Foata normal form. 19/16168 useless extension candidates. Maximal degree in co-relation 0. Up to 1509 conditions per place. [2021-03-26 03:39:08,143 INFO L142 LiptonReduction]: Number of co-enabled transitions 5028 [2021-03-26 03:39:08,196 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:39:08,196 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:39:08,196 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5677 [2021-03-26 03:39:08,197 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 629 transitions, 14668 flow [2021-03-26 03:39:08,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 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 03:39:08,197 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:39:08,197 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:39:08,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 03:39:08,197 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:39:08,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:39:08,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1412473266, now seen corresponding path program 10 times [2021-03-26 03:39:08,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:39:08,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330820262] [2021-03-26 03:39:08,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:39:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:39:08,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:39:08,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:39:08,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:39:08,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:39:08,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:39:08,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:39:08,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:39:08,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:39:08,249 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:39:08,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:39:08,264 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:39:08,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:39:08,287 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:39:08,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:39:08,317 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:39:08,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:39:08,347 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:39:08,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:39:08,382 INFO L142 QuantifierPusher]: treesize reduction 72, result has 49.7 percent of original size [2021-03-26 03:39:08,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 03:39:08,429 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:39:08,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:39:08,474 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 03:39:08,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330820262] [2021-03-26 03:39:08,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:39:08,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:39:08,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755211083] [2021-03-26 03:39:08,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:39:08,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:39:08,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:39:08,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:39:08,476 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:39:08,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 629 transitions, 14668 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:39:08,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:39:08,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:39:08,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:39:55,204 INFO L129 PetriNetUnfolder]: 48319/116405 cut-off events. [2021-03-26 03:39:55,204 INFO L130 PetriNetUnfolder]: For 3432735/3563929 co-relation queries the response was YES. [2021-03-26 03:39:57,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 911471 conditions, 116405 events. 48319/116405 cut-off events. For 3432735/3563929 co-relation queries the response was YES. Maximal size of possible extension queue 11691. Compared 1707441 event pairs, 21030 based on Foata normal form. 23/114365 useless extension candidates. Maximal degree in co-relation 911373. Up to 40765 conditions per place. [2021-03-26 03:39:58,034 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 528 selfloop transitions, 389 changer transitions 1/938 dead transitions. [2021-03-26 03:39:58,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 938 transitions, 22046 flow [2021-03-26 03:39:58,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:39:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:39:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:39:58,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:39:58,036 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:39:58,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:39:58,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:39:58,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:39:58,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:39:58,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:39:58,040 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:39:58,040 INFO L185 Difference]: Start difference. First operand has 223 places, 629 transitions, 14668 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:39:58,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 938 transitions, 22046 flow [2021-03-26 03:40:29,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 938 transitions, 21866 flow, removed 89 selfloop flow, removed 11 redundant places. [2021-03-26 03:40:29,480 INFO L241 Difference]: Finished difference. Result has 233 places, 690 transitions, 17128 flow [2021-03-26 03:40:29,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=14646, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17128, PETRI_PLACES=233, PETRI_TRANSITIONS=690} [2021-03-26 03:40:29,481 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 171 predicate places. [2021-03-26 03:40:29,481 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:40:29,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 233 places, 690 transitions, 17128 flow [2021-03-26 03:40:29,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 233 places, 690 transitions, 17128 flow [2021-03-26 03:40:29,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 232 places, 690 transitions, 17128 flow [2021-03-26 03:40:38,025 INFO L129 PetriNetUnfolder]: 0/23151 cut-off events. [2021-03-26 03:40:38,025 INFO L130 PetriNetUnfolder]: For 247462/255788 co-relation queries the response was YES. [2021-03-26 03:40:38,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75340 conditions, 23151 events. 0/23151 cut-off events. For 247462/255788 co-relation queries the response was YES. Maximal size of possible extension queue 2120. Compared 478435 event pairs, 0 based on Foata normal form. 85/21470 useless extension candidates. Maximal degree in co-relation 0. Up to 2111 conditions per place. [2021-03-26 03:40:38,494 INFO L142 LiptonReduction]: Number of co-enabled transitions 5772 [2021-03-26 03:40:38,568 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:40:38,568 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:40:38,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9087 [2021-03-26 03:40:38,570 INFO L480 AbstractCegarLoop]: Abstraction has has 232 places, 690 transitions, 17128 flow [2021-03-26 03:40:38,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:40:38,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:40:38,570 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:40:38,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 03:40:38,570 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:40:38,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:40:38,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1274311896, now seen corresponding path program 11 times [2021-03-26 03:40:38,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:40:38,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394679878] [2021-03-26 03:40:38,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:40:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:40:38,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:40:38,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:40:38,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:40:38,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:40:38,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:40:38,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:40:38,609 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:40:38,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:40:38,620 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:40:38,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:40:38,636 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:40:38,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:40:38,657 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:40:38,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:40:38,688 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:40:38,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:40:38,722 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:40:38,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:40:38,757 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 03:40:38,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 03:40:38,814 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:40:38,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:40:38,854 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 03:40:38,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394679878] [2021-03-26 03:40:38,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:40:38,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:40:38,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566213361] [2021-03-26 03:40:38,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:40:38,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:40:38,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:40:38,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:40:38,857 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:40:38,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 690 transitions, 17128 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:40:38,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:40:38,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:40:38,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:41:34,702 INFO L129 PetriNetUnfolder]: 50030/128572 cut-off events. [2021-03-26 03:41:34,703 INFO L130 PetriNetUnfolder]: For 4150888/4282403 co-relation queries the response was YES. [2021-03-26 03:41:37,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1008886 conditions, 128572 events. 50030/128572 cut-off events. For 4150888/4282403 co-relation queries the response was YES. Maximal size of possible extension queue 12890. Compared 1973305 event pairs, 22371 based on Foata normal form. 25/126745 useless extension candidates. Maximal degree in co-relation 1008788. Up to 41680 conditions per place. [2021-03-26 03:41:37,907 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 285 selfloop transitions, 547 changer transitions 2/854 dead transitions. [2021-03-26 03:41:37,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 854 transitions, 22040 flow [2021-03-26 03:41:37,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:41:37,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:41:37,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:41:37,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:41:37,909 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:41:37,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:41:37,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:41:37,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:41:37,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:41:37,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:41:37,913 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:41:37,913 INFO L185 Difference]: Start difference. First operand has 232 places, 690 transitions, 17128 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:41:37,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 854 transitions, 22040 flow [2021-03-26 03:42:19,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 854 transitions, 21164 flow, removed 278 selfloop flow, removed 2 redundant places. [2021-03-26 03:42:19,711 INFO L241 Difference]: Finished difference. Result has 251 places, 745 transitions, 19544 flow [2021-03-26 03:42:19,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=16516, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=690, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=492, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19544, PETRI_PLACES=251, PETRI_TRANSITIONS=745} [2021-03-26 03:42:19,711 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 189 predicate places. [2021-03-26 03:42:19,711 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:42:19,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 745 transitions, 19544 flow [2021-03-26 03:42:19,712 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 745 transitions, 19544 flow [2021-03-26 03:42:19,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 745 transitions, 19544 flow [2021-03-26 03:42:29,812 INFO L129 PetriNetUnfolder]: 0/24556 cut-off events. [2021-03-26 03:42:29,812 INFO L130 PetriNetUnfolder]: For 287676/300941 co-relation queries the response was YES. [2021-03-26 03:42:29,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82861 conditions, 24556 events. 0/24556 cut-off events. For 287676/300941 co-relation queries the response was YES. Maximal size of possible extension queue 2267. Compared 512603 event pairs, 0 based on Foata normal form. 57/22674 useless extension candidates. Maximal degree in co-relation 0. Up to 2266 conditions per place. [2021-03-26 03:42:30,324 INFO L142 LiptonReduction]: Number of co-enabled transitions 6438 [2021-03-26 03:42:30,397 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:42:30,397 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:42:30,397 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10686 [2021-03-26 03:42:30,398 INFO L480 AbstractCegarLoop]: Abstraction has has 250 places, 745 transitions, 19544 flow [2021-03-26 03:42:30,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:42:30,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:42:30,398 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:42:30,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 03:42:30,398 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:42:30,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:42:30,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1855664006, now seen corresponding path program 12 times [2021-03-26 03:42:30,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:42:30,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976874993] [2021-03-26 03:42:30,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:42:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:42:30,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:42:30,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:42:30,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:42:30,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:42:30,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:42:30,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:42:30,435 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:42:30,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:42:30,447 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:42:30,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:42:30,463 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:42:30,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:42:30,486 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:42:30,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:42:30,515 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:42:30,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:42:30,553 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:42:30,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:42:30,596 INFO L142 QuantifierPusher]: treesize reduction 72, result has 49.7 percent of original size [2021-03-26 03:42:30,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 03:42:30,635 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:42:30,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:42:30,674 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 03:42:30,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976874993] [2021-03-26 03:42:30,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:42:30,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:42:30,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794316032] [2021-03-26 03:42:30,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:42:30,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:42:30,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:42:30,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:42:30,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:42:30,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 745 transitions, 19544 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:42:30,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:42:30,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:42:30,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:43:43,109 INFO L129 PetriNetUnfolder]: 54635/147389 cut-off events. [2021-03-26 03:43:43,109 INFO L130 PetriNetUnfolder]: For 5584120/5769330 co-relation queries the response was YES. [2021-03-26 03:43:46,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1224867 conditions, 147389 events. 54635/147389 cut-off events. For 5584120/5769330 co-relation queries the response was YES. Maximal size of possible extension queue 15247. Compared 2388902 event pairs, 27475 based on Foata normal form. 47/145021 useless extension candidates. Maximal degree in co-relation 1224760. Up to 47894 conditions per place. [2021-03-26 03:43:47,159 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 624 selfloop transitions, 502 changer transitions 1/1147 dead transitions. [2021-03-26 03:43:47,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 1147 transitions, 30156 flow [2021-03-26 03:43:47,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:43:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:43:47,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:43:47,161 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:43:47,161 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:43:47,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:43:47,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:43:47,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:43:47,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:43:47,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:43:47,180 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:43:47,180 INFO L185 Difference]: Start difference. First operand has 250 places, 745 transitions, 19544 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:43:47,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 1147 transitions, 30156 flow [2021-03-26 03:44:31,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 1147 transitions, 29244 flow, removed 296 selfloop flow, removed 2 redundant places. [2021-03-26 03:44:31,633 INFO L241 Difference]: Finished difference. Result has 269 places, 915 transitions, 24698 flow [2021-03-26 03:44:31,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=18944, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=745, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=332, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=24698, PETRI_PLACES=269, PETRI_TRANSITIONS=915} [2021-03-26 03:44:31,634 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 207 predicate places. [2021-03-26 03:44:31,634 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:44:31,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 915 transitions, 24698 flow [2021-03-26 03:44:31,634 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 915 transitions, 24698 flow [2021-03-26 03:44:31,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 268 places, 915 transitions, 24698 flow [2021-03-26 03:44:49,915 INFO L129 PetriNetUnfolder]: 0/33265 cut-off events. [2021-03-26 03:44:49,916 INFO L130 PetriNetUnfolder]: For 472521/489980 co-relation queries the response was YES. [2021-03-26 03:44:49,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112193 conditions, 33265 events. 0/33265 cut-off events. For 472521/489980 co-relation queries the response was YES. Maximal size of possible extension queue 3114. Compared 726561 event pairs, 0 based on Foata normal form. 177/30800 useless extension candidates. Maximal degree in co-relation 0. Up to 3112 conditions per place. [2021-03-26 03:44:50,482 INFO L142 LiptonReduction]: Number of co-enabled transitions 8096 [2021-03-26 03:44:50,592 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:44:50,592 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:44:50,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18959 [2021-03-26 03:44:50,593 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 915 transitions, 24698 flow [2021-03-26 03:44:50,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:44:50,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:44:50,593 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:44:50,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 03:44:50,594 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:44:50,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:44:50,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1254125054, now seen corresponding path program 13 times [2021-03-26 03:44:50,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:44:50,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401146894] [2021-03-26 03:44:50,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:44:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:44:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:44:50,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:44:50,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:44:50,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:44:50,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:44:50,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:44:50,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:44:50,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:44:50,639 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:44:50,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:44:50,656 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:44:50,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:44:50,674 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:44:50,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:44:50,695 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:44:50,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:44:50,731 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:44:50,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:44:50,773 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 03:44:50,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 03:44:50,821 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:44:50,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:44:50,863 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 03:44:50,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401146894] [2021-03-26 03:44:50,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:44:50,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:44:50,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488051528] [2021-03-26 03:44:50,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:44:50,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:44:50,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:44:50,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:44:50,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:44:50,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 915 transitions, 24698 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:44:50,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:44:50,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:44:50,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:46:19,668 INFO L129 PetriNetUnfolder]: 55946/152164 cut-off events. [2021-03-26 03:46:19,669 INFO L130 PetriNetUnfolder]: For 6324263/6481339 co-relation queries the response was YES. [2021-03-26 03:46:23,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1322792 conditions, 152164 events. 55946/152164 cut-off events. For 6324263/6481339 co-relation queries the response was YES. Maximal size of possible extension queue 15554. Compared 2491202 event pairs, 22537 based on Foata normal form. 45/148697 useless extension candidates. Maximal degree in co-relation 1322676. Up to 45926 conditions per place. [2021-03-26 03:46:24,364 INFO L132 encePairwiseOnDemand]: 142/153 looper letters, 812 selfloop transitions, 479 changer transitions 1/1312 dead transitions. [2021-03-26 03:46:24,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 1312 transitions, 36296 flow [2021-03-26 03:46:24,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 03:46:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 03:46:24,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1637 transitions. [2021-03-26 03:46:24,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8916122004357299 [2021-03-26 03:46:24,366 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1637 transitions. [2021-03-26 03:46:24,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1637 transitions. [2021-03-26 03:46:24,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:46:24,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1637 transitions. [2021-03-26 03:46:24,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:46:24,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:46:24,370 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 153.0) internal successors, (1989), 13 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:46:24,370 INFO L185 Difference]: Start difference. First operand has 268 places, 915 transitions, 24698 flow. Second operand 12 states and 1637 transitions. [2021-03-26 03:46:24,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 1312 transitions, 36296 flow [2021-03-26 03:47:49,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 1312 transitions, 35288 flow, removed 344 selfloop flow, removed 2 redundant places. [2021-03-26 03:47:49,819 INFO L241 Difference]: Finished difference. Result has 287 places, 1005 transitions, 27898 flow [2021-03-26 03:47:49,820 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=23966, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=915, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=389, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=27898, PETRI_PLACES=287, PETRI_TRANSITIONS=1005} [2021-03-26 03:47:49,820 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 225 predicate places. [2021-03-26 03:47:49,820 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:47:49,820 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 287 places, 1005 transitions, 27898 flow [2021-03-26 03:47:49,820 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 287 places, 1005 transitions, 27898 flow [2021-03-26 03:47:49,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 286 places, 1005 transitions, 27898 flow [2021-03-26 03:48:14,234 INFO L129 PetriNetUnfolder]: 0/38382 cut-off events. [2021-03-26 03:48:14,234 INFO L130 PetriNetUnfolder]: For 657593/686531 co-relation queries the response was YES. [2021-03-26 03:48:14,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136641 conditions, 38382 events. 0/38382 cut-off events. For 657593/686531 co-relation queries the response was YES. Maximal size of possible extension queue 3690. Compared 852764 event pairs, 0 based on Foata normal form. 231/35416 useless extension candidates. Maximal degree in co-relation 0. Up to 3525 conditions per place. [2021-03-26 03:48:14,796 INFO L142 LiptonReduction]: Number of co-enabled transitions 9094 [2021-03-26 03:48:14,930 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:14,931 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:14,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25111 [2021-03-26 03:48:14,931 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 1005 transitions, 27898 flow [2021-03-26 03:48:14,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:14,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:14,932 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:14,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 03:48:14,932 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:14,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:14,932 INFO L82 PathProgramCache]: Analyzing trace with hash -112403758, now seen corresponding path program 14 times [2021-03-26 03:48:14,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:14,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220429163] [2021-03-26 03:48:14,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:14,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:14,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:14,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:14,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:14,966 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:14,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:14,977 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:14,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:14,992 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:14,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:15,013 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:15,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:15,040 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-26 03:48:15,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 03:48:15,068 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 03:48:15,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 03:48:15,101 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 03:48:15,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 03:48:15,144 INFO L142 QuantifierPusher]: treesize reduction 81, result has 47.4 percent of original size [2021-03-26 03:48:15,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 03:48:15,186 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 03:48:15,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220429163] [2021-03-26 03:48:15,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:15,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 03:48:15,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248954816] [2021-03-26 03:48:15,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 03:48:15,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:15,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 03:48:15,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-03-26 03:48:15,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 153 [2021-03-26 03:48:15,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 1005 transitions, 27898 flow. Second operand has 12 states, 12 states have (on average 131.91666666666666) internal successors, (1583), 12 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:15,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:15,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 153 [2021-03-26 03:48:15,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-26 03:48:22,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 03:48:22,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 03:48:22,434 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 03:48:22,452 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 03:48:22,453 INFO L202 PluginConnector]: Adding new model example_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 03:48:22 BasicIcfg [2021-03-26 03:48:22,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 03:48:22,454 INFO L168 Benchmark]: Toolchain (without parser) took 742732.26 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 236.9 MB in the beginning and 9.9 GB in the end (delta: -9.6 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2021-03-26 03:48:22,454 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.45 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 03:48:22,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.57 ms. Allocated memory is still 255.9 MB. Free memory was 236.8 MB in the beginning and 235.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 03:48:22,455 INFO L168 Benchmark]: Boogie Preprocessor took 12.72 ms. Allocated memory is still 255.9 MB. Free memory was 235.3 MB in the beginning and 234.4 MB in the end (delta: 913.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 03:48:22,455 INFO L168 Benchmark]: RCFGBuilder took 217.21 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 238.1 MB in the end (delta: -3.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-03-26 03:48:22,456 INFO L168 Benchmark]: TraceAbstraction took 742471.08 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 237.5 MB in the beginning and 9.9 GB in the end (delta: -9.6 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2021-03-26 03:48:22,456 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 0.45 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.57 ms. Allocated memory is still 255.9 MB. Free memory was 236.8 MB in the beginning and 235.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.72 ms. Allocated memory is still 255.9 MB. Free memory was 235.3 MB in the beginning and 234.4 MB in the end (delta: 913.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 217.21 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 238.1 MB in the end (delta: -3.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 742471.08 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 237.5 MB in the beginning and 9.9 GB in the end (delta: -9.6 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 765.0ms, 72 PlacesBefore, 62 PlacesAfterwards, 131 TransitionsBefore, 121 TransitionsAfterwards, 3780 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 1035 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1035, positive: 1035, positive conditional: 1035, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1035, positive: 1035, positive conditional: 0, positive unconditional: 1035, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1035, positive: 1035, positive conditional: 0, positive unconditional: 1035, 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: 1035, positive: 1035, positive conditional: 0, positive unconditional: 1035, 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: 1035, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1035, unknown conditional: 1035, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 301.1ms, 44 PlacesBefore, 44 PlacesAfterwards, 118 TransitionsBefore, 118 TransitionsAfterwards, 1746 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 203.7ms, 45 PlacesBefore, 45 PlacesAfterwards, 114 TransitionsBefore, 114 TransitionsAfterwards, 1674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 93.6ms, 46 PlacesBefore, 46 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 1548 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.9ms, 47 PlacesBefore, 47 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.0ms, 48 PlacesBefore, 48 PlacesAfterwards, 99 TransitionsBefore, 99 TransitionsAfterwards, 1404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.2ms, 49 PlacesBefore, 49 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.8ms, 50 PlacesBefore, 50 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3ms, 51 PlacesBefore, 51 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 304 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.0ms, 71 PlacesBefore, 71 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.5ms, 91 PlacesBefore, 91 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 746 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.6ms, 111 PlacesBefore, 111 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 1190 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 187.3ms, 131 PlacesBefore, 131 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 1984 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 502.5ms, 151 PlacesBefore, 151 PlacesAfterwards, 181 TransitionsBefore, 181 TransitionsAfterwards, 2546 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 829.1ms, 171 PlacesBefore, 171 PlacesAfterwards, 230 TransitionsBefore, 230 TransitionsAfterwards, 3212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1750.8ms, 191 PlacesBefore, 191 PlacesAfterwards, 320 TransitionsBefore, 320 TransitionsAfterwards, 4166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4761.4ms, 211 PlacesBefore, 211 PlacesAfterwards, 464 TransitionsBefore, 464 TransitionsAfterwards, 5230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5888.9ms, 231 PlacesBefore, 231 PlacesAfterwards, 641 TransitionsBefore, 641 TransitionsAfterwards, 6252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5677.0ms, 232 PlacesBefore, 223 PlacesAfterwards, 629 TransitionsBefore, 629 TransitionsAfterwards, 5028 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9087.2ms, 233 PlacesBefore, 232 PlacesAfterwards, 690 TransitionsBefore, 690 TransitionsAfterwards, 5772 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10685.3ms, 251 PlacesBefore, 250 PlacesAfterwards, 745 TransitionsBefore, 745 TransitionsAfterwards, 6438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18958.1ms, 269 PlacesBefore, 268 PlacesAfterwards, 915 TransitionsBefore, 915 TransitionsAfterwards, 8096 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25110.5ms, 287 PlacesBefore, 286 PlacesAfterwards, 1005 TransitionsBefore, 1005 TransitionsAfterwards, 9094 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 33]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 33). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (12states, 131/153 universal loopers) in iteration 23,while PetriNetUnfolder was constructing finite prefix that currently has 186272 conditions, 13189 events (8876/13188 cut-off events. For 1637614/1839430 co-relation queries the response was YES. Maximal size of possible extension queue 8349. Compared 137614 event pairs, 4705 based on Foata normal form. 66/20896 useless extension candidates. Maximal degree in co-relation 186152. Up to 6719 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 312.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 742226.6ms, OverallIterations: 23, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 650936.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1498.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 749 SDtfs, 777 SDslu, 722 SDs, 0 SdLazy, 1359 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1137.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 4279.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=27898occurred in iteration=22, InterpolantAutomatonStates: 183, 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: 37.2ms SsaConstructionTime, 104.8ms SatisfiabilityAnalysisTime, 4747.4ms InterpolantComputationTime, 713 NumberOfCodeBlocks, 713 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 690 ConstructedInterpolants, 0 QuantifiedInterpolants, 16606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 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