/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/fibonacci.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 04:19:37,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 04:19:37,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 04:19:37,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 04:19:37,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 04:19:37,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 04:19:37,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 04:19:37,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 04:19:37,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 04:19:37,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 04:19:37,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 04:19:37,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 04:19:37,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 04:19:37,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 04:19:37,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 04:19:37,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 04:19:37,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 04:19:37,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 04:19:37,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 04:19:37,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 04:19:37,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 04:19:37,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 04:19:37,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 04:19:37,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 04:19:37,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 04:19:37,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 04:19:37,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 04:19:37,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 04:19:37,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 04:19:37,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 04:19:37,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 04:19:37,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 04:19:37,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 04:19:37,724 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 04:19:37,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 04:19:37,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 04:19:37,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 04:19:37,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 04:19:37,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 04:19:37,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 04:19:37,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 04:19:37,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 04:19:37,726 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 04:19:37,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 04:19:37,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 04:19:37,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 04:19:37,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 04:19:37,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 04:19:37,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 04:19:37,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 04:19:37,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:19:37,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 04:19:37,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 04:19:37,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 04:19:37,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 04:19:37,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 04:19:37,730 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 04:19:37,730 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 04:19:37,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 04:19:37,730 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 04:19:38,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 04:19:38,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 04:19:38,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 04:19:38,152 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 04:19:38,154 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 04:19:38,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/fibonacci.wvr.bpl [2021-04-29 04:19:38,155 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/fibonacci.wvr.bpl' [2021-04-29 04:19:38,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 04:19:38,253 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 04:19:38,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 04:19:38,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 04:19:38,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 04:19:38,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/1) ... [2021-04-29 04:19:38,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/1) ... [2021-04-29 04:19:38,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 04:19:38,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 04:19:38,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 04:19:38,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 04:19:38,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/1) ... [2021-04-29 04:19:38,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/1) ... [2021-04-29 04:19:38,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/1) ... [2021-04-29 04:19:38,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/1) ... [2021-04-29 04:19:38,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/1) ... [2021-04-29 04:19:38,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/1) ... [2021-04-29 04:19:38,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/1) ... [2021-04-29 04:19:38,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 04:19:38,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 04:19:38,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 04:19:38,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 04:19:38,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:19:38,417 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 04:19:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 04:19:38,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 04:19:38,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 04:19:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 04:19:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 04:19:38,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 04:19:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 04:19:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 04:19:38,420 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 04:19:38,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 04:19:38,693 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-04-29 04:19:38,696 INFO L202 PluginConnector]: Adding new model fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:19:38 BoogieIcfgContainer [2021-04-29 04:19:38,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 04:19:38,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 04:19:38,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 04:19:38,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 04:19:38,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:19:38" (1/2) ... [2021-04-29 04:19:38,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b70dd67 and model type fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 04:19:38, skipping insertion in model container [2021-04-29 04:19:38,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:19:38" (2/2) ... [2021-04-29 04:19:38,726 INFO L111 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.bpl [2021-04-29 04:19:38,740 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 04:19:38,746 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 04:19:38,748 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 04:19:38,820 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-04-29 04:19:38,842 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-04-29 04:19:38,867 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 04:19:38,868 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 04:19:38,868 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 04:19:38,868 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 04:19:38,868 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 04:19:38,868 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 04:19:38,868 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 04:19:38,868 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 04:19:38,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 19 transitions, 54 flow [2021-04-29 04:19:38,907 INFO L129 PetriNetUnfolder]: 2/17 cut-off events. [2021-04-29 04:19:38,907 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 04:19:38,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 17 events. 2/17 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2021-04-29 04:19:38,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 19 transitions, 54 flow [2021-04-29 04:19:38,916 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 20 places, 15 transitions, 42 flow [2021-04-29 04:19:38,917 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:38,936 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 15 transitions, 42 flow [2021-04-29 04:19:38,940 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 15 transitions, 42 flow [2021-04-29 04:19:38,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 20 places, 15 transitions, 42 flow [2021-04-29 04:19:38,950 INFO L129 PetriNetUnfolder]: 2/15 cut-off events. [2021-04-29 04:19:38,950 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 04:19:38,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 15 events. 2/15 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 9 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2021-04-29 04:19:38,953 INFO L146 LiptonReduction]: Number of co-enabled transitions 48 [2021-04-29 04:19:39,056 INFO L158 LiptonReduction]: Checked pairs total: 10 [2021-04-29 04:19:39,056 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-29 04:19:39,059 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 143 [2021-04-29 04:19:39,083 INFO L129 PetriNetUnfolder]: 2/13 cut-off events. [2021-04-29 04:19:39,086 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 04:19:39,086 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:39,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:39,087 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:39,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:39,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1982642480, now seen corresponding path program 1 times [2021-04-29 04:19:39,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:39,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750881456] [2021-04-29 04:19:39,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:39,530 INFO L142 QuantifierPusher]: treesize reduction 8, result has 81.0 percent of original size [2021-04-29 04:19:39,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 04:19:39,585 INFO L142 QuantifierPusher]: treesize reduction 17, result has 56.4 percent of original size [2021-04-29 04:19:39,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:19:39,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:39,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:39,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750881456] [2021-04-29 04:19:39,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:39,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:19:39,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833853039] [2021-04-29 04:19:39,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:19:39,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:39,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:19:39,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:19:39,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 22 [2021-04-29 04:19:39,681 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 15 transitions, 42 flow. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:39,681 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:39,681 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 22 [2021-04-29 04:19:39,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:39,865 INFO L129 PetriNetUnfolder]: 33/76 cut-off events. [2021-04-29 04:19:39,865 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 04:19:39,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 76 events. 33/76 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 261 event pairs, 0 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 130. Up to 51 conditions per place. [2021-04-29 04:19:39,871 INFO L132 encePairwiseOnDemand]: 13/22 looper letters, 7 selfloop transitions, 5 changer transitions 8/26 dead transitions. [2021-04-29 04:19:39,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 26 transitions, 104 flow [2021-04-29 04:19:39,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:19:39,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:19:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 82 transitions. [2021-04-29 04:19:39,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7454545454545455 [2021-04-29 04:19:39,889 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 82 transitions. [2021-04-29 04:19:39,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 82 transitions. [2021-04-29 04:19:39,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:39,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 82 transitions. [2021-04-29 04:19:39,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:39,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:39,910 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:39,912 INFO L185 Difference]: Start difference. First operand has 20 places, 15 transitions, 42 flow. Second operand 5 states and 82 transitions. [2021-04-29 04:19:39,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 26 transitions, 104 flow [2021-04-29 04:19:39,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 26 transitions, 96 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:39,921 INFO L241 Difference]: Finished difference. Result has 23 places, 16 transitions, 62 flow [2021-04-29 04:19:39,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=62, PETRI_PLACES=23, PETRI_TRANSITIONS=16} [2021-04-29 04:19:39,924 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 3 predicate places. [2021-04-29 04:19:39,924 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:39,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 16 transitions, 62 flow [2021-04-29 04:19:39,925 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 16 transitions, 62 flow [2021-04-29 04:19:39,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 19 places, 16 transitions, 62 flow [2021-04-29 04:19:39,936 INFO L129 PetriNetUnfolder]: 7/29 cut-off events. [2021-04-29 04:19:39,936 INFO L130 PetriNetUnfolder]: For 2/3 co-relation queries the response was YES. [2021-04-29 04:19:39,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 29 events. 7/29 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 60 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 50. Up to 11 conditions per place. [2021-04-29 04:19:39,939 INFO L146 LiptonReduction]: Number of co-enabled transitions 44 [2021-04-29 04:19:39,944 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:39,944 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:39,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-04-29 04:19:39,949 INFO L480 AbstractCegarLoop]: Abstraction has has 19 places, 16 transitions, 62 flow [2021-04-29 04:19:39,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:39,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:39,950 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:39,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 04:19:39,951 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:39,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:39,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1181138374, now seen corresponding path program 2 times [2021-04-29 04:19:39,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:39,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452073808] [2021-04-29 04:19:39,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:40,023 INFO L142 QuantifierPusher]: treesize reduction 8, result has 81.0 percent of original size [2021-04-29 04:19:40,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 04:19:40,041 INFO L142 QuantifierPusher]: treesize reduction 17, result has 56.4 percent of original size [2021-04-29 04:19:40,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:19:40,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:40,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452073808] [2021-04-29 04:19:40,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:40,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:19:40,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143598235] [2021-04-29 04:19:40,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:19:40,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:40,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:19:40,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:19:40,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 22 [2021-04-29 04:19:40,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 16 transitions, 62 flow. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:40,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 22 [2021-04-29 04:19:40,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:40,150 INFO L129 PetriNetUnfolder]: 16/39 cut-off events. [2021-04-29 04:19:40,151 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-29 04:19:40,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 39 events. 16/39 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 73 event pairs, 1 based on Foata normal form. 1/35 useless extension candidates. Maximal degree in co-relation 102. Up to 26 conditions per place. [2021-04-29 04:19:40,152 INFO L132 encePairwiseOnDemand]: 16/22 looper letters, 6 selfloop transitions, 6 changer transitions 1/19 dead transitions. [2021-04-29 04:19:40,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 19 transitions, 103 flow [2021-04-29 04:19:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:19:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:19:40,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 73 transitions. [2021-04-29 04:19:40,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6636363636363637 [2021-04-29 04:19:40,155 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 73 transitions. [2021-04-29 04:19:40,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 73 transitions. [2021-04-29 04:19:40,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:40,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 73 transitions. [2021-04-29 04:19:40,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,158 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,159 INFO L185 Difference]: Start difference. First operand has 19 places, 16 transitions, 62 flow. Second operand 5 states and 73 transitions. [2021-04-29 04:19:40,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 19 transitions, 103 flow [2021-04-29 04:19:40,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 19 transitions, 101 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-29 04:19:40,161 INFO L241 Difference]: Finished difference. Result has 25 places, 18 transitions, 94 flow [2021-04-29 04:19:40,162 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=94, PETRI_PLACES=25, PETRI_TRANSITIONS=18} [2021-04-29 04:19:40,162 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 5 predicate places. [2021-04-29 04:19:40,162 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:40,163 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 18 transitions, 94 flow [2021-04-29 04:19:40,163 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 18 transitions, 94 flow [2021-04-29 04:19:40,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 18 transitions, 94 flow [2021-04-29 04:19:40,171 INFO L129 PetriNetUnfolder]: 9/30 cut-off events. [2021-04-29 04:19:40,171 INFO L130 PetriNetUnfolder]: For 13/14 co-relation queries the response was YES. [2021-04-29 04:19:40,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 30 events. 9/30 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 61 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 70. Up to 11 conditions per place. [2021-04-29 04:19:40,173 INFO L146 LiptonReduction]: Number of co-enabled transitions 44 [2021-04-29 04:19:40,175 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:40,175 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:40,175 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-04-29 04:19:40,176 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 94 flow [2021-04-29 04:19:40,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,177 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:40,177 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:40,177 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 04:19:40,178 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:40,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:40,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1085591932, now seen corresponding path program 1 times [2021-04-29 04:19:40,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:40,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878225622] [2021-04-29 04:19:40,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:40,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:40,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:40,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878225622] [2021-04-29 04:19:40,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:40,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 04:19:40,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413706455] [2021-04-29 04:19:40,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:19:40,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:40,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:19:40,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:19:40,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 22 [2021-04-29 04:19:40,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 94 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,218 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:40,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 22 [2021-04-29 04:19:40,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:40,292 INFO L129 PetriNetUnfolder]: 23/55 cut-off events. [2021-04-29 04:19:40,292 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-04-29 04:19:40,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 55 events. 23/55 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 144 event pairs, 1 based on Foata normal form. 2/51 useless extension candidates. Maximal degree in co-relation 166. Up to 20 conditions per place. [2021-04-29 04:19:40,294 INFO L132 encePairwiseOnDemand]: 17/22 looper letters, 19 selfloop transitions, 6 changer transitions 0/31 dead transitions. [2021-04-29 04:19:40,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 31 transitions, 204 flow [2021-04-29 04:19:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:19:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:19:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 83 transitions. [2021-04-29 04:19:40,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7545454545454545 [2021-04-29 04:19:40,296 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 83 transitions. [2021-04-29 04:19:40,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 83 transitions. [2021-04-29 04:19:40,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:40,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 83 transitions. [2021-04-29 04:19:40,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,299 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,299 INFO L185 Difference]: Start difference. First operand has 24 places, 18 transitions, 94 flow. Second operand 5 states and 83 transitions. [2021-04-29 04:19:40,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 31 transitions, 204 flow [2021-04-29 04:19:40,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 31 transitions, 190 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-04-29 04:19:40,310 INFO L241 Difference]: Finished difference. Result has 29 places, 21 transitions, 126 flow [2021-04-29 04:19:40,310 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=126, PETRI_PLACES=29, PETRI_TRANSITIONS=21} [2021-04-29 04:19:40,310 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 9 predicate places. [2021-04-29 04:19:40,311 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:40,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 21 transitions, 126 flow [2021-04-29 04:19:40,311 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 21 transitions, 126 flow [2021-04-29 04:19:40,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 21 transitions, 126 flow [2021-04-29 04:19:40,319 INFO L129 PetriNetUnfolder]: 8/32 cut-off events. [2021-04-29 04:19:40,319 INFO L130 PetriNetUnfolder]: For 30/31 co-relation queries the response was YES. [2021-04-29 04:19:40,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 32 events. 8/32 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 73 event pairs, 0 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 73. Up to 12 conditions per place. [2021-04-29 04:19:40,320 INFO L146 LiptonReduction]: Number of co-enabled transitions 54 [2021-04-29 04:19:40,415 INFO L158 LiptonReduction]: Checked pairs total: 12 [2021-04-29 04:19:40,415 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 04:19:40,415 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105 [2021-04-29 04:19:40,417 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 22 transitions, 133 flow [2021-04-29 04:19:40,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,417 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:40,418 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:40,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 04:19:40,418 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:40,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:40,419 INFO L82 PathProgramCache]: Analyzing trace with hash 640112222, now seen corresponding path program 2 times [2021-04-29 04:19:40,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:40,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37025312] [2021-04-29 04:19:40,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:40,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:40,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:40,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37025312] [2021-04-29 04:19:40,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481437056] [2021-04-29 04:19:40,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:40,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:19:40,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:40,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-29 04:19:40,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:40,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:40,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:40,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:40,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:40,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:40,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:40,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:40,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:40,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:40,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:40,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:40,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-04-29 04:19:40,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560183891] [2021-04-29 04:19:40,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:19:40,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:40,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:19:40,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:19:40,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:40,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 22 transitions, 133 flow. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:40,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:40,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:40,707 INFO L129 PetriNetUnfolder]: 41/107 cut-off events. [2021-04-29 04:19:40,708 INFO L130 PetriNetUnfolder]: For 174/174 co-relation queries the response was YES. [2021-04-29 04:19:40,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 107 events. 41/107 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 412 event pairs, 7 based on Foata normal form. 2/102 useless extension candidates. Maximal degree in co-relation 349. Up to 51 conditions per place. [2021-04-29 04:19:40,710 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 18 selfloop transitions, 13 changer transitions 1/38 dead transitions. [2021-04-29 04:19:40,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 38 transitions, 305 flow [2021-04-29 04:19:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:19:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:19:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2021-04-29 04:19:40,713 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7166666666666667 [2021-04-29 04:19:40,713 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 86 transitions. [2021-04-29 04:19:40,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 86 transitions. [2021-04-29 04:19:40,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:40,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 86 transitions. [2021-04-29 04:19:40,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,716 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,716 INFO L185 Difference]: Start difference. First operand has 30 places, 22 transitions, 133 flow. Second operand 5 states and 86 transitions. [2021-04-29 04:19:40,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 38 transitions, 305 flow [2021-04-29 04:19:40,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 38 transitions, 291 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-04-29 04:19:40,721 INFO L241 Difference]: Finished difference. Result has 36 places, 29 transitions, 219 flow [2021-04-29 04:19:40,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=219, PETRI_PLACES=36, PETRI_TRANSITIONS=29} [2021-04-29 04:19:40,721 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 16 predicate places. [2021-04-29 04:19:40,721 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:40,722 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 219 flow [2021-04-29 04:19:40,722 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 219 flow [2021-04-29 04:19:40,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 219 flow [2021-04-29 04:19:40,734 INFO L129 PetriNetUnfolder]: 17/73 cut-off events. [2021-04-29 04:19:40,734 INFO L130 PetriNetUnfolder]: For 100/103 co-relation queries the response was YES. [2021-04-29 04:19:40,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 73 events. 17/73 cut-off events. For 100/103 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 300 event pairs, 2 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 202. Up to 27 conditions per place. [2021-04-29 04:19:40,737 INFO L146 LiptonReduction]: Number of co-enabled transitions 72 [2021-04-29 04:19:40,741 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:40,741 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:40,741 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-04-29 04:19:40,742 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 29 transitions, 219 flow [2021-04-29 04:19:40,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,743 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:40,743 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:40,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:40,958 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:40,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:40,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1543686477, now seen corresponding path program 1 times [2021-04-29 04:19:40,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:40,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41998750] [2021-04-29 04:19:40,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:40,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:40,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:40,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:40,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:40,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41998750] [2021-04-29 04:19:40,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:40,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 04:19:40,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759291751] [2021-04-29 04:19:40,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 04:19:40,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:40,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 04:19:40,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 04:19:40,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 24 [2021-04-29 04:19:40,992 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 219 flow. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:40,992 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:40,992 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 24 [2021-04-29 04:19:40,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:41,032 INFO L129 PetriNetUnfolder]: 34/91 cut-off events. [2021-04-29 04:19:41,032 INFO L130 PetriNetUnfolder]: For 234/236 co-relation queries the response was YES. [2021-04-29 04:19:41,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 91 events. 34/91 cut-off events. For 234/236 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 334 event pairs, 4 based on Foata normal form. 2/89 useless extension candidates. Maximal degree in co-relation 346. Up to 41 conditions per place. [2021-04-29 04:19:41,034 INFO L132 encePairwiseOnDemand]: 20/24 looper letters, 14 selfloop transitions, 10 changer transitions 1/35 dead transitions. [2021-04-29 04:19:41,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 35 transitions, 305 flow [2021-04-29 04:19:41,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 04:19:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 04:19:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 69 transitions. [2021-04-29 04:19:41,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.71875 [2021-04-29 04:19:41,036 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 69 transitions. [2021-04-29 04:19:41,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 69 transitions. [2021-04-29 04:19:41,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:41,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 69 transitions. [2021-04-29 04:19:41,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,038 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,039 INFO L185 Difference]: Start difference. First operand has 36 places, 29 transitions, 219 flow. Second operand 4 states and 69 transitions. [2021-04-29 04:19:41,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 35 transitions, 305 flow [2021-04-29 04:19:41,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 35 transitions, 299 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-29 04:19:41,044 INFO L241 Difference]: Finished difference. Result has 40 places, 28 transitions, 232 flow [2021-04-29 04:19:41,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=232, PETRI_PLACES=40, PETRI_TRANSITIONS=28} [2021-04-29 04:19:41,045 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 20 predicate places. [2021-04-29 04:19:41,045 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:41,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 28 transitions, 232 flow [2021-04-29 04:19:41,046 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 28 transitions, 232 flow [2021-04-29 04:19:41,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 232 flow [2021-04-29 04:19:41,055 INFO L129 PetriNetUnfolder]: 18/66 cut-off events. [2021-04-29 04:19:41,055 INFO L130 PetriNetUnfolder]: For 123/123 co-relation queries the response was YES. [2021-04-29 04:19:41,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 66 events. 18/66 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 240 event pairs, 2 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 224. Up to 24 conditions per place. [2021-04-29 04:19:41,057 INFO L146 LiptonReduction]: Number of co-enabled transitions 74 [2021-04-29 04:19:41,060 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:41,061 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:41,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-04-29 04:19:41,062 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 232 flow [2021-04-29 04:19:41,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:41,063 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:41,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 04:19:41,063 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:41,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:41,063 INFO L82 PathProgramCache]: Analyzing trace with hash -2035095448, now seen corresponding path program 1 times [2021-04-29 04:19:41,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:41,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233737442] [2021-04-29 04:19:41,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:41,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:41,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233737442] [2021-04-29 04:19:41,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:41,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 04:19:41,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252270626] [2021-04-29 04:19:41,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:19:41,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:41,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:19:41,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:19:41,098 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:41,098 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 232 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:41,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:41,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:41,167 INFO L129 PetriNetUnfolder]: 36/101 cut-off events. [2021-04-29 04:19:41,168 INFO L130 PetriNetUnfolder]: For 352/352 co-relation queries the response was YES. [2021-04-29 04:19:41,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 101 events. 36/101 cut-off events. For 352/352 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 394 event pairs, 1 based on Foata normal form. 2/99 useless extension candidates. Maximal degree in co-relation 407. Up to 35 conditions per place. [2021-04-29 04:19:41,170 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 20 selfloop transitions, 15 changer transitions 1/42 dead transitions. [2021-04-29 04:19:41,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 42 transitions, 409 flow [2021-04-29 04:19:41,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:19:41,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:19:41,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 112 transitions. [2021-04-29 04:19:41,172 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-04-29 04:19:41,172 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 112 transitions. [2021-04-29 04:19:41,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 112 transitions. [2021-04-29 04:19:41,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:41,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 112 transitions. [2021-04-29 04:19:41,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,175 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,175 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 232 flow. Second operand 7 states and 112 transitions. [2021-04-29 04:19:41,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 42 transitions, 409 flow [2021-04-29 04:19:41,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 42 transitions, 366 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:41,180 INFO L241 Difference]: Finished difference. Result has 45 places, 34 transitions, 291 flow [2021-04-29 04:19:41,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=291, PETRI_PLACES=45, PETRI_TRANSITIONS=34} [2021-04-29 04:19:41,181 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 25 predicate places. [2021-04-29 04:19:41,181 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:41,181 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 34 transitions, 291 flow [2021-04-29 04:19:41,182 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 34 transitions, 291 flow [2021-04-29 04:19:41,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 34 transitions, 291 flow [2021-04-29 04:19:41,192 INFO L129 PetriNetUnfolder]: 21/77 cut-off events. [2021-04-29 04:19:41,193 INFO L130 PetriNetUnfolder]: For 158/158 co-relation queries the response was YES. [2021-04-29 04:19:41,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 77 events. 21/77 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 307 event pairs, 1 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 268. Up to 28 conditions per place. [2021-04-29 04:19:41,195 INFO L146 LiptonReduction]: Number of co-enabled transitions 70 [2021-04-29 04:19:41,199 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:41,199 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:41,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-04-29 04:19:41,201 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 291 flow [2021-04-29 04:19:41,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,201 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:41,201 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:41,201 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 04:19:41,201 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:41,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:41,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1612014980, now seen corresponding path program 2 times [2021-04-29 04:19:41,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:41,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220481381] [2021-04-29 04:19:41,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:41,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:41,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:41,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220481381] [2021-04-29 04:19:41,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993234172] [2021-04-29 04:19:41,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:41,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:19:41,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:41,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-29 04:19:41,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:41,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:41,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:41,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:19:41,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:41,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:41,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:19:41,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:41,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:41,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:41,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:41,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:41,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:41,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:41,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:41,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:41,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:41,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:41,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:41,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:41,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:41,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:19:41,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179740797] [2021-04-29 04:19:41,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 04:19:41,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:41,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 04:19:41,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 04:19:41,364 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:41,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 291 flow. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:41,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:41,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:41,425 INFO L129 PetriNetUnfolder]: 36/101 cut-off events. [2021-04-29 04:19:41,426 INFO L130 PetriNetUnfolder]: For 335/341 co-relation queries the response was YES. [2021-04-29 04:19:41,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 101 events. 36/101 cut-off events. For 335/341 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 377 event pairs, 3 based on Foata normal form. 4/99 useless extension candidates. Maximal degree in co-relation 444. Up to 39 conditions per place. [2021-04-29 04:19:41,427 INFO L132 encePairwiseOnDemand]: 20/24 looper letters, 22 selfloop transitions, 9 changer transitions 7/44 dead transitions. [2021-04-29 04:19:41,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 457 flow [2021-04-29 04:19:41,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:19:41,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:19:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 83 transitions. [2021-04-29 04:19:41,429 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6916666666666667 [2021-04-29 04:19:41,429 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 83 transitions. [2021-04-29 04:19:41,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 83 transitions. [2021-04-29 04:19:41,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:41,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 83 transitions. [2021-04-29 04:19:41,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,431 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,431 INFO L185 Difference]: Start difference. First operand has 45 places, 34 transitions, 291 flow. Second operand 5 states and 83 transitions. [2021-04-29 04:19:41,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 457 flow [2021-04-29 04:19:41,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 44 transitions, 447 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-04-29 04:19:41,437 INFO L241 Difference]: Finished difference. Result has 51 places, 32 transitions, 298 flow [2021-04-29 04:19:41,437 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=298, PETRI_PLACES=51, PETRI_TRANSITIONS=32} [2021-04-29 04:19:41,437 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 31 predicate places. [2021-04-29 04:19:41,437 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:41,438 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 32 transitions, 298 flow [2021-04-29 04:19:41,438 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 32 transitions, 298 flow [2021-04-29 04:19:41,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 32 transitions, 298 flow [2021-04-29 04:19:41,448 INFO L129 PetriNetUnfolder]: 20/74 cut-off events. [2021-04-29 04:19:41,448 INFO L130 PetriNetUnfolder]: For 205/205 co-relation queries the response was YES. [2021-04-29 04:19:41,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 74 events. 20/74 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 299 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 285. Up to 26 conditions per place. [2021-04-29 04:19:41,450 INFO L146 LiptonReduction]: Number of co-enabled transitions 66 [2021-04-29 04:19:41,453 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:41,453 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:41,454 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-04-29 04:19:41,454 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 32 transitions, 298 flow [2021-04-29 04:19:41,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:41,455 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:41,668 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:41,669 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:41,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:41,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1628311846, now seen corresponding path program 3 times [2021-04-29 04:19:41,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:41,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664407438] [2021-04-29 04:19:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:41,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:41,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:41,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664407438] [2021-04-29 04:19:41,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:41,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 04:19:41,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229203345] [2021-04-29 04:19:41,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:19:41,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:41,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:19:41,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:19:41,724 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:41,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 32 transitions, 298 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:41,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:41,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:41,795 INFO L129 PetriNetUnfolder]: 32/103 cut-off events. [2021-04-29 04:19:41,795 INFO L130 PetriNetUnfolder]: For 406/406 co-relation queries the response was YES. [2021-04-29 04:19:41,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 103 events. 32/103 cut-off events. For 406/406 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 429 event pairs, 4 based on Foata normal form. 4/105 useless extension candidates. Maximal degree in co-relation 474. Up to 38 conditions per place. [2021-04-29 04:19:41,797 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 23 selfloop transitions, 9 changer transitions 2/40 dead transitions. [2021-04-29 04:19:41,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 40 transitions, 453 flow [2021-04-29 04:19:41,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:19:41,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:19:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 83 transitions. [2021-04-29 04:19:41,799 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6916666666666667 [2021-04-29 04:19:41,799 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 83 transitions. [2021-04-29 04:19:41,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 83 transitions. [2021-04-29 04:19:41,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:41,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 83 transitions. [2021-04-29 04:19:41,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,802 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,802 INFO L185 Difference]: Start difference. First operand has 50 places, 32 transitions, 298 flow. Second operand 5 states and 83 transitions. [2021-04-29 04:19:41,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 40 transitions, 453 flow [2021-04-29 04:19:41,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 40 transitions, 432 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:41,809 INFO L241 Difference]: Finished difference. Result has 53 places, 34 transitions, 342 flow [2021-04-29 04:19:41,809 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=342, PETRI_PLACES=53, PETRI_TRANSITIONS=34} [2021-04-29 04:19:41,810 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 33 predicate places. [2021-04-29 04:19:41,810 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:41,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 34 transitions, 342 flow [2021-04-29 04:19:41,810 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 34 transitions, 342 flow [2021-04-29 04:19:41,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 34 transitions, 342 flow [2021-04-29 04:19:41,826 INFO L129 PetriNetUnfolder]: 16/80 cut-off events. [2021-04-29 04:19:41,827 INFO L130 PetriNetUnfolder]: For 218/218 co-relation queries the response was YES. [2021-04-29 04:19:41,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 80 events. 16/80 cut-off events. For 218/218 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 348 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 293. Up to 24 conditions per place. [2021-04-29 04:19:41,829 INFO L146 LiptonReduction]: Number of co-enabled transitions 66 [2021-04-29 04:19:41,834 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:41,834 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:41,834 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-04-29 04:19:41,835 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 34 transitions, 342 flow [2021-04-29 04:19:41,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,836 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:41,836 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:41,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 04:19:41,836 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:41,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:41,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1883024896, now seen corresponding path program 4 times [2021-04-29 04:19:41,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:41,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357746630] [2021-04-29 04:19:41,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:41,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:41,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:41,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:41,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357746630] [2021-04-29 04:19:41,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:41,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 04:19:41,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252509076] [2021-04-29 04:19:41,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:19:41,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:41,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:19:41,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:19:41,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:41,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 34 transitions, 342 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:41,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:41,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:41,990 INFO L129 PetriNetUnfolder]: 28/96 cut-off events. [2021-04-29 04:19:41,990 INFO L130 PetriNetUnfolder]: For 375/387 co-relation queries the response was YES. [2021-04-29 04:19:41,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 470 conditions, 96 events. 28/96 cut-off events. For 375/387 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 380 event pairs, 1 based on Foata normal form. 4/97 useless extension candidates. Maximal degree in co-relation 426. Up to 35 conditions per place. [2021-04-29 04:19:41,992 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 19 selfloop transitions, 13 changer transitions 2/40 dead transitions. [2021-04-29 04:19:41,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 40 transitions, 447 flow [2021-04-29 04:19:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:19:41,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:19:41,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 125 transitions. [2021-04-29 04:19:41,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6510416666666666 [2021-04-29 04:19:41,994 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 125 transitions. [2021-04-29 04:19:41,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 125 transitions. [2021-04-29 04:19:41,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:41,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 125 transitions. [2021-04-29 04:19:41,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 15.625) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,996 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:41,996 INFO L185 Difference]: Start difference. First operand has 53 places, 34 transitions, 342 flow. Second operand 8 states and 125 transitions. [2021-04-29 04:19:41,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 40 transitions, 447 flow [2021-04-29 04:19:42,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 40 transitions, 432 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-04-29 04:19:42,003 INFO L241 Difference]: Finished difference. Result has 59 places, 34 transitions, 350 flow [2021-04-29 04:19:42,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=350, PETRI_PLACES=59, PETRI_TRANSITIONS=34} [2021-04-29 04:19:42,003 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 39 predicate places. [2021-04-29 04:19:42,003 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:42,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 34 transitions, 350 flow [2021-04-29 04:19:42,004 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 34 transitions, 350 flow [2021-04-29 04:19:42,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 34 transitions, 350 flow [2021-04-29 04:19:42,015 INFO L129 PetriNetUnfolder]: 17/76 cut-off events. [2021-04-29 04:19:42,016 INFO L130 PetriNetUnfolder]: For 224/224 co-relation queries the response was YES. [2021-04-29 04:19:42,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 76 events. 17/76 cut-off events. For 224/224 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 298 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 279. Up to 28 conditions per place. [2021-04-29 04:19:42,018 INFO L146 LiptonReduction]: Number of co-enabled transitions 56 [2021-04-29 04:19:42,022 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:42,022 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:42,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-04-29 04:19:42,023 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 34 transitions, 350 flow [2021-04-29 04:19:42,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:42,023 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:42,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 04:19:42,024 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:42,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:42,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1513852902, now seen corresponding path program 3 times [2021-04-29 04:19:42,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:42,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672695778] [2021-04-29 04:19:42,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:42,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:42,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:42,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:42,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:42,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672695778] [2021-04-29 04:19:42,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740412764] [2021-04-29 04:19:42,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:42,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 04:19:42,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:42,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2021-04-29 04:19:42,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:42,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:42,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:42,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:42,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:42,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:42,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:42,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:42,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:42,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:42,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:42,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:42,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:42,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:42,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:42,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:42,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-04-29 04:19:42,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080262989] [2021-04-29 04:19:42,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:19:42,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:42,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:19:42,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:19:42,171 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:42,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 34 transitions, 350 flow. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:42,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:42,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:42,228 INFO L129 PetriNetUnfolder]: 28/82 cut-off events. [2021-04-29 04:19:42,228 INFO L130 PetriNetUnfolder]: For 355/355 co-relation queries the response was YES. [2021-04-29 04:19:42,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 82 events. 28/82 cut-off events. For 355/355 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 276 event pairs, 1 based on Foata normal form. 2/83 useless extension candidates. Maximal degree in co-relation 395. Up to 48 conditions per place. [2021-04-29 04:19:42,230 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 22 selfloop transitions, 12 changer transitions 0/40 dead transitions. [2021-04-29 04:19:42,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 40 transitions, 466 flow [2021-04-29 04:19:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:19:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:19:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 82 transitions. [2021-04-29 04:19:42,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6833333333333333 [2021-04-29 04:19:42,231 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 82 transitions. [2021-04-29 04:19:42,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 82 transitions. [2021-04-29 04:19:42,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:42,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 82 transitions. [2021-04-29 04:19:42,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,233 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,233 INFO L185 Difference]: Start difference. First operand has 58 places, 34 transitions, 350 flow. Second operand 5 states and 82 transitions. [2021-04-29 04:19:42,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 40 transitions, 466 flow [2021-04-29 04:19:42,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 40 transitions, 434 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-04-29 04:19:42,239 INFO L241 Difference]: Finished difference. Result has 57 places, 35 transitions, 353 flow [2021-04-29 04:19:42,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=353, PETRI_PLACES=57, PETRI_TRANSITIONS=35} [2021-04-29 04:19:42,239 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 37 predicate places. [2021-04-29 04:19:42,240 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:42,240 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 35 transitions, 353 flow [2021-04-29 04:19:42,240 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 35 transitions, 353 flow [2021-04-29 04:19:42,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 35 transitions, 353 flow [2021-04-29 04:19:42,260 INFO L129 PetriNetUnfolder]: 18/72 cut-off events. [2021-04-29 04:19:42,261 INFO L130 PetriNetUnfolder]: For 245/249 co-relation queries the response was YES. [2021-04-29 04:19:42,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 72 events. 18/72 cut-off events. For 245/249 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 286 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 284. Up to 28 conditions per place. [2021-04-29 04:19:42,262 INFO L146 LiptonReduction]: Number of co-enabled transitions 54 [2021-04-29 04:19:42,266 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:42,266 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:42,266 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-04-29 04:19:42,267 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 35 transitions, 353 flow [2021-04-29 04:19:42,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,267 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:42,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:42,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-04-29 04:19:42,481 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:42,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:42,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1003979496, now seen corresponding path program 5 times [2021-04-29 04:19:42,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:42,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206851827] [2021-04-29 04:19:42,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:42,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:42,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:42,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:42,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:42,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206851827] [2021-04-29 04:19:42,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:42,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 04:19:42,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225593238] [2021-04-29 04:19:42,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:19:42,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:42,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:19:42,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:19:42,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:42,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 35 transitions, 353 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:42,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:42,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:42,579 INFO L129 PetriNetUnfolder]: 24/80 cut-off events. [2021-04-29 04:19:42,579 INFO L130 PetriNetUnfolder]: For 334/334 co-relation queries the response was YES. [2021-04-29 04:19:42,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 80 events. 24/80 cut-off events. For 334/334 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 292 event pairs, 0 based on Foata normal form. 4/83 useless extension candidates. Maximal degree in co-relation 382. Up to 30 conditions per place. [2021-04-29 04:19:42,581 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 22 selfloop transitions, 11 changer transitions 2/41 dead transitions. [2021-04-29 04:19:42,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 41 transitions, 477 flow [2021-04-29 04:19:42,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:19:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:19:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 99 transitions. [2021-04-29 04:19:42,582 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6875 [2021-04-29 04:19:42,582 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 99 transitions. [2021-04-29 04:19:42,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 99 transitions. [2021-04-29 04:19:42,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:42,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 99 transitions. [2021-04-29 04:19:42,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,584 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,584 INFO L185 Difference]: Start difference. First operand has 57 places, 35 transitions, 353 flow. Second operand 6 states and 99 transitions. [2021-04-29 04:19:42,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 41 transitions, 477 flow [2021-04-29 04:19:42,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 41 transitions, 466 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-04-29 04:19:42,589 INFO L241 Difference]: Finished difference. Result has 62 places, 33 transitions, 350 flow [2021-04-29 04:19:42,589 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=350, PETRI_PLACES=62, PETRI_TRANSITIONS=33} [2021-04-29 04:19:42,590 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 42 predicate places. [2021-04-29 04:19:42,590 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:42,590 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 33 transitions, 350 flow [2021-04-29 04:19:42,590 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 33 transitions, 350 flow [2021-04-29 04:19:42,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 33 transitions, 350 flow [2021-04-29 04:19:42,599 INFO L129 PetriNetUnfolder]: 16/64 cut-off events. [2021-04-29 04:19:42,599 INFO L130 PetriNetUnfolder]: For 286/290 co-relation queries the response was YES. [2021-04-29 04:19:42,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 64 events. 16/64 cut-off events. For 286/290 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 213 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 267. Up to 25 conditions per place. [2021-04-29 04:19:42,601 INFO L146 LiptonReduction]: Number of co-enabled transitions 48 [2021-04-29 04:19:42,604 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:42,604 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:42,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-29 04:19:42,605 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 33 transitions, 350 flow [2021-04-29 04:19:42,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,606 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:42,606 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:42,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 04:19:42,606 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:42,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:42,607 INFO L82 PathProgramCache]: Analyzing trace with hash 2128175768, now seen corresponding path program 1 times [2021-04-29 04:19:42,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:42,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81681740] [2021-04-29 04:19:42,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:42,636 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:19:42,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:42,652 INFO L142 QuantifierPusher]: treesize reduction 44, result has 50.6 percent of original size [2021-04-29 04:19:42,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:19:42,676 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:19:42,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:42,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81681740] [2021-04-29 04:19:42,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112144786] [2021-04-29 04:19:42,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:42,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:19:42,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:42,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:42,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:42,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:42,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:19:42,767 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:19:42,772 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:42,776 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:42,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:42,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:42,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:42,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:42,806 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:19:42,807 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:42,808 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:42,810 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:19:42,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:42,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:42,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:42,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:19:42,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507092050] [2021-04-29 04:19:42,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:42,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:42,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:42,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:42,839 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:19:42,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 33 transitions, 350 flow. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:42,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:19:42,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:42,949 INFO L129 PetriNetUnfolder]: 30/113 cut-off events. [2021-04-29 04:19:42,949 INFO L130 PetriNetUnfolder]: For 483/486 co-relation queries the response was YES. [2021-04-29 04:19:42,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 584 conditions, 113 events. 30/113 cut-off events. For 483/486 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 492 event pairs, 2 based on Foata normal form. 1/112 useless extension candidates. Maximal degree in co-relation 512. Up to 57 conditions per place. [2021-04-29 04:19:42,951 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 25 selfloop transitions, 14 changer transitions 1/50 dead transitions. [2021-04-29 04:19:42,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 50 transitions, 600 flow [2021-04-29 04:19:42,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:19:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:19:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 106 transitions. [2021-04-29 04:19:42,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6309523809523809 [2021-04-29 04:19:42,952 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 106 transitions. [2021-04-29 04:19:42,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 106 transitions. [2021-04-29 04:19:42,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:42,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 106 transitions. [2021-04-29 04:19:42,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,954 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,954 INFO L185 Difference]: Start difference. First operand has 61 places, 33 transitions, 350 flow. Second operand 7 states and 106 transitions. [2021-04-29 04:19:42,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 50 transitions, 600 flow [2021-04-29 04:19:42,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 50 transitions, 573 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:42,960 INFO L241 Difference]: Finished difference. Result has 67 places, 41 transitions, 469 flow [2021-04-29 04:19:42,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=469, PETRI_PLACES=67, PETRI_TRANSITIONS=41} [2021-04-29 04:19:42,961 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 47 predicate places. [2021-04-29 04:19:42,961 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:42,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 41 transitions, 469 flow [2021-04-29 04:19:42,961 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 41 transitions, 469 flow [2021-04-29 04:19:42,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 41 transitions, 469 flow [2021-04-29 04:19:42,975 INFO L129 PetriNetUnfolder]: 24/101 cut-off events. [2021-04-29 04:19:42,975 INFO L130 PetriNetUnfolder]: For 457/463 co-relation queries the response was YES. [2021-04-29 04:19:42,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 502 conditions, 101 events. 24/101 cut-off events. For 457/463 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 455 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 461. Up to 33 conditions per place. [2021-04-29 04:19:42,977 INFO L146 LiptonReduction]: Number of co-enabled transitions 50 [2021-04-29 04:19:42,982 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:42,982 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:42,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-04-29 04:19:42,983 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 41 transitions, 469 flow [2021-04-29 04:19:42,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:42,983 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:42,983 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:43,197 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:43,198 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:43,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:43,199 INFO L82 PathProgramCache]: Analyzing trace with hash 2127339698, now seen corresponding path program 2 times [2021-04-29 04:19:43,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:43,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401922698] [2021-04-29 04:19:43,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:43,226 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:19:43,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:43,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size [2021-04-29 04:19:43,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:19:43,260 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-04-29 04:19:43,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:43,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401922698] [2021-04-29 04:19:43,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037155253] [2021-04-29 04:19:43,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:43,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:19:43,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:43,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:19:43,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:43,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:43,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:43,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:43,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:43,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:43,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:19:43,352 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:19:43,354 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:43,356 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:43,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:43,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:43,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:43,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:19:43,374 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:19:43,375 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:19:43,377 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:43,379 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-04-29 04:19:43,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:43,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:43,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:19:43,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463444566] [2021-04-29 04:19:43,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:43,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:43,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:43,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:43,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:19:43,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 41 transitions, 469 flow. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:43,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:43,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:19:43,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:43,518 INFO L129 PetriNetUnfolder]: 30/107 cut-off events. [2021-04-29 04:19:43,518 INFO L130 PetriNetUnfolder]: For 547/550 co-relation queries the response was YES. [2021-04-29 04:19:43,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 107 events. 30/107 cut-off events. For 547/550 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 452 event pairs, 2 based on Foata normal form. 1/106 useless extension candidates. Maximal degree in co-relation 572. Up to 57 conditions per place. [2021-04-29 04:19:43,520 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 25 selfloop transitions, 14 changer transitions 1/50 dead transitions. [2021-04-29 04:19:43,520 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 50 transitions, 637 flow [2021-04-29 04:19:43,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:19:43,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:19:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 106 transitions. [2021-04-29 04:19:43,521 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6309523809523809 [2021-04-29 04:19:43,522 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 106 transitions. [2021-04-29 04:19:43,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 106 transitions. [2021-04-29 04:19:43,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:43,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 106 transitions. [2021-04-29 04:19:43,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:43,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:43,523 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:43,524 INFO L185 Difference]: Start difference. First operand has 66 places, 41 transitions, 469 flow. Second operand 7 states and 106 transitions. [2021-04-29 04:19:43,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 50 transitions, 637 flow [2021-04-29 04:19:43,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 50 transitions, 579 flow, removed 23 selfloop flow, removed 3 redundant places. [2021-04-29 04:19:43,530 INFO L241 Difference]: Finished difference. Result has 72 places, 42 transitions, 478 flow [2021-04-29 04:19:43,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=421, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=478, PETRI_PLACES=72, PETRI_TRANSITIONS=42} [2021-04-29 04:19:43,531 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 52 predicate places. [2021-04-29 04:19:43,531 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:43,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 42 transitions, 478 flow [2021-04-29 04:19:43,531 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 42 transitions, 478 flow [2021-04-29 04:19:43,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 42 transitions, 478 flow [2021-04-29 04:19:43,545 INFO L129 PetriNetUnfolder]: 24/97 cut-off events. [2021-04-29 04:19:43,545 INFO L130 PetriNetUnfolder]: For 449/452 co-relation queries the response was YES. [2021-04-29 04:19:43,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 97 events. 24/97 cut-off events. For 449/452 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 423 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 442. Up to 29 conditions per place. [2021-04-29 04:19:43,547 INFO L146 LiptonReduction]: Number of co-enabled transitions 50 [2021-04-29 04:19:43,552 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:43,552 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:43,552 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-04-29 04:19:43,553 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 42 transitions, 478 flow [2021-04-29 04:19:43,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:43,553 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:43,553 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:43,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-04-29 04:19:43,767 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:43,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:43,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2016517178, now seen corresponding path program 3 times [2021-04-29 04:19:43,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:43,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931481805] [2021-04-29 04:19:43,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:43,795 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:19:43,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:43,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:43,823 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-04-29 04:19:43,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:43,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931481805] [2021-04-29 04:19:43,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585807132] [2021-04-29 04:19:43,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:43,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 04:19:43,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:43,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:19:43,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:43,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:43,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:43,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:43,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:43,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:43,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:43,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:43,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:19:43,922 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 04:19:43,923 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:43,925 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:43,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:43,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:43,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:43,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:43,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:43,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:43,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:19:43,948 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:19:43,948 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:19:43,950 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:43,952 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-04-29 04:19:43,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:43,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:43,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:43,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:19:43,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188665752] [2021-04-29 04:19:43,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:43,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:43,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:43,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:43,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:19:43,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 42 transitions, 478 flow. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:43,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:43,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:19:43,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:44,087 INFO L129 PetriNetUnfolder]: 30/103 cut-off events. [2021-04-29 04:19:44,087 INFO L130 PetriNetUnfolder]: For 551/554 co-relation queries the response was YES. [2021-04-29 04:19:44,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 103 events. 30/103 cut-off events. For 551/554 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 424 event pairs, 2 based on Foata normal form. 1/102 useless extension candidates. Maximal degree in co-relation 554. Up to 60 conditions per place. [2021-04-29 04:19:44,089 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 26 selfloop transitions, 13 changer transitions 1/50 dead transitions. [2021-04-29 04:19:44,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 50 transitions, 633 flow [2021-04-29 04:19:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:19:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:19:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 103 transitions. [2021-04-29 04:19:44,090 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6130952380952381 [2021-04-29 04:19:44,090 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 103 transitions. [2021-04-29 04:19:44,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 103 transitions. [2021-04-29 04:19:44,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:44,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 103 transitions. [2021-04-29 04:19:44,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,092 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,092 INFO L185 Difference]: Start difference. First operand has 71 places, 42 transitions, 478 flow. Second operand 7 states and 103 transitions. [2021-04-29 04:19:44,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 50 transitions, 633 flow [2021-04-29 04:19:44,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 50 transitions, 592 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:44,113 INFO L241 Difference]: Finished difference. Result has 76 places, 46 transitions, 534 flow [2021-04-29 04:19:44,114 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=534, PETRI_PLACES=76, PETRI_TRANSITIONS=46} [2021-04-29 04:19:44,114 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 56 predicate places. [2021-04-29 04:19:44,114 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:44,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 46 transitions, 534 flow [2021-04-29 04:19:44,115 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 46 transitions, 534 flow [2021-04-29 04:19:44,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 46 transitions, 534 flow [2021-04-29 04:19:44,129 INFO L129 PetriNetUnfolder]: 25/96 cut-off events. [2021-04-29 04:19:44,129 INFO L130 PetriNetUnfolder]: For 480/483 co-relation queries the response was YES. [2021-04-29 04:19:44,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 96 events. 25/96 cut-off events. For 480/483 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 391 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 462. Up to 29 conditions per place. [2021-04-29 04:19:44,131 INFO L146 LiptonReduction]: Number of co-enabled transitions 52 [2021-04-29 04:19:44,139 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:44,139 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:44,139 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-04-29 04:19:44,140 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 46 transitions, 534 flow [2021-04-29 04:19:44,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:44,140 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:44,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-04-29 04:19:44,355 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:44,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:44,356 INFO L82 PathProgramCache]: Analyzing trace with hash 754628826, now seen corresponding path program 6 times [2021-04-29 04:19:44,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:44,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620703524] [2021-04-29 04:19:44,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:44,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:44,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:44,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:44,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:44,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:44,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620703524] [2021-04-29 04:19:44,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:19:44,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 04:19:44,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879994986] [2021-04-29 04:19:44,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 04:19:44,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:44,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 04:19:44,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 04:19:44,386 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:44,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 46 transitions, 534 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:44,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:44,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:44,445 INFO L129 PetriNetUnfolder]: 27/77 cut-off events. [2021-04-29 04:19:44,445 INFO L130 PetriNetUnfolder]: For 522/522 co-relation queries the response was YES. [2021-04-29 04:19:44,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 77 events. 27/77 cut-off events. For 522/522 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 244 event pairs, 0 based on Foata normal form. 8/84 useless extension candidates. Maximal degree in co-relation 506. Up to 48 conditions per place. [2021-04-29 04:19:44,447 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 29 selfloop transitions, 5 changer transitions 6/46 dead transitions. [2021-04-29 04:19:44,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 46 transitions, 626 flow [2021-04-29 04:19:44,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 04:19:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 04:19:44,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 80 transitions. [2021-04-29 04:19:44,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-04-29 04:19:44,449 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 80 transitions. [2021-04-29 04:19:44,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 80 transitions. [2021-04-29 04:19:44,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:44,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 80 transitions. [2021-04-29 04:19:44,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,451 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,451 INFO L185 Difference]: Start difference. First operand has 75 places, 46 transitions, 534 flow. Second operand 5 states and 80 transitions. [2021-04-29 04:19:44,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 46 transitions, 626 flow [2021-04-29 04:19:44,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 46 transitions, 548 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-04-29 04:19:44,463 INFO L241 Difference]: Finished difference. Result has 71 places, 38 transitions, 388 flow [2021-04-29 04:19:44,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=388, PETRI_PLACES=71, PETRI_TRANSITIONS=38} [2021-04-29 04:19:44,464 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 51 predicate places. [2021-04-29 04:19:44,464 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:44,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 38 transitions, 388 flow [2021-04-29 04:19:44,465 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 38 transitions, 388 flow [2021-04-29 04:19:44,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 38 transitions, 388 flow [2021-04-29 04:19:44,473 INFO L129 PetriNetUnfolder]: 19/59 cut-off events. [2021-04-29 04:19:44,474 INFO L130 PetriNetUnfolder]: For 326/335 co-relation queries the response was YES. [2021-04-29 04:19:44,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 59 events. 19/59 cut-off events. For 326/335 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 161 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 276. Up to 20 conditions per place. [2021-04-29 04:19:44,476 INFO L146 LiptonReduction]: Number of co-enabled transitions 48 [2021-04-29 04:19:44,482 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:44,482 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:44,482 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-04-29 04:19:44,487 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 38 transitions, 388 flow [2021-04-29 04:19:44,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,487 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:44,488 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:44,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 04:19:44,488 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:44,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:44,488 INFO L82 PathProgramCache]: Analyzing trace with hash -702067854, now seen corresponding path program 1 times [2021-04-29 04:19:44,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:44,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643381048] [2021-04-29 04:19:44,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:44,563 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:19:44,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:44,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,592 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-04-29 04:19:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:44,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643381048] [2021-04-29 04:19:44,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065478276] [2021-04-29 04:19:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:44,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:19:44,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:44,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:44,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:44,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:44,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:44,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:44,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:44,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:19:44,673 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 04:19:44,674 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:44,675 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:44,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:44,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:44,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:44,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:44,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:19:44,708 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:19:44,709 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:19:44,711 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:44,712 INFO L142 QuantifierPusher]: treesize reduction 21, result has 55.3 percent of original size [2021-04-29 04:19:44,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:44,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:44,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:44,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-04-29 04:19:44,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121911991] [2021-04-29 04:19:44,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:44,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:44,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:44,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:44,740 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:19:44,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 38 transitions, 388 flow. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:44,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:19:44,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:44,842 INFO L129 PetriNetUnfolder]: 31/85 cut-off events. [2021-04-29 04:19:44,842 INFO L130 PetriNetUnfolder]: For 457/463 co-relation queries the response was YES. [2021-04-29 04:19:44,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 85 events. 31/85 cut-off events. For 457/463 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 285 event pairs, 1 based on Foata normal form. 2/86 useless extension candidates. Maximal degree in co-relation 462. Up to 54 conditions per place. [2021-04-29 04:19:44,847 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 24 selfloop transitions, 15 changer transitions 1/49 dead transitions. [2021-04-29 04:19:44,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 49 transitions, 580 flow [2021-04-29 04:19:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:19:44,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:19:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 100 transitions. [2021-04-29 04:19:44,850 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2021-04-29 04:19:44,850 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 100 transitions. [2021-04-29 04:19:44,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 100 transitions. [2021-04-29 04:19:44,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:44,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 100 transitions. [2021-04-29 04:19:44,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,852 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,852 INFO L185 Difference]: Start difference. First operand has 67 places, 38 transitions, 388 flow. Second operand 7 states and 100 transitions. [2021-04-29 04:19:44,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 49 transitions, 580 flow [2021-04-29 04:19:44,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 49 transitions, 537 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-04-29 04:19:44,860 INFO L241 Difference]: Finished difference. Result has 68 places, 48 transitions, 501 flow [2021-04-29 04:19:44,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=501, PETRI_PLACES=68, PETRI_TRANSITIONS=48} [2021-04-29 04:19:44,861 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 48 predicate places. [2021-04-29 04:19:44,861 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:44,861 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 48 transitions, 501 flow [2021-04-29 04:19:44,862 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 48 transitions, 501 flow [2021-04-29 04:19:44,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 48 transitions, 501 flow [2021-04-29 04:19:44,875 INFO L129 PetriNetUnfolder]: 25/76 cut-off events. [2021-04-29 04:19:44,875 INFO L130 PetriNetUnfolder]: For 323/332 co-relation queries the response was YES. [2021-04-29 04:19:44,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 76 events. 25/76 cut-off events. For 323/332 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 270 event pairs, 0 based on Foata normal form. 1/77 useless extension candidates. Maximal degree in co-relation 376. Up to 28 conditions per place. [2021-04-29 04:19:44,877 INFO L146 LiptonReduction]: Number of co-enabled transitions 62 [2021-04-29 04:19:44,885 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:44,885 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:44,885 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-04-29 04:19:44,886 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 48 transitions, 501 flow [2021-04-29 04:19:44,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:44,887 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:44,887 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:45,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:45,101 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:45,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:45,102 INFO L82 PathProgramCache]: Analyzing trace with hash -571880530, now seen corresponding path program 2 times [2021-04-29 04:19:45,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:45,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070298748] [2021-04-29 04:19:45,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:45,123 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:19:45,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:45,138 INFO L142 QuantifierPusher]: treesize reduction 46, result has 56.6 percent of original size [2021-04-29 04:19:45,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-29 04:19:45,173 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:19:45,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:45,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070298748] [2021-04-29 04:19:45,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265654503] [2021-04-29 04:19:45,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:45,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:19:45,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:45,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:19:45,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:45,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:45,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:19:45,271 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:19:45,272 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:45,273 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:45,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:45,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:45,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:45,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:45,287 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:19:45,288 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:45,289 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:45,291 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:19:45,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:45,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:45,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-04-29 04:19:45,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25479745] [2021-04-29 04:19:45,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:19:45,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:45,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:19:45,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:19:45,316 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:19:45,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 48 transitions, 501 flow. Second operand has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:45,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:45,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:19:45,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:45,413 INFO L129 PetriNetUnfolder]: 34/96 cut-off events. [2021-04-29 04:19:45,413 INFO L130 PetriNetUnfolder]: For 558/571 co-relation queries the response was YES. [2021-04-29 04:19:45,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 96 events. 34/96 cut-off events. For 558/571 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 334 event pairs, 1 based on Foata normal form. 2/97 useless extension candidates. Maximal degree in co-relation 542. Up to 55 conditions per place. [2021-04-29 04:19:45,415 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 27 selfloop transitions, 19 changer transitions 1/56 dead transitions. [2021-04-29 04:19:45,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 56 transitions, 687 flow [2021-04-29 04:19:45,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:19:45,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:19:45,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 104 transitions. [2021-04-29 04:19:45,416 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6190476190476191 [2021-04-29 04:19:45,416 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 104 transitions. [2021-04-29 04:19:45,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 104 transitions. [2021-04-29 04:19:45,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:45,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 104 transitions. [2021-04-29 04:19:45,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:45,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:45,418 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:45,418 INFO L185 Difference]: Start difference. First operand has 67 places, 48 transitions, 501 flow. Second operand 7 states and 104 transitions. [2021-04-29 04:19:45,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 56 transitions, 687 flow [2021-04-29 04:19:45,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 56 transitions, 654 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-04-29 04:19:45,425 INFO L241 Difference]: Finished difference. Result has 74 places, 53 transitions, 583 flow [2021-04-29 04:19:45,425 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=583, PETRI_PLACES=74, PETRI_TRANSITIONS=53} [2021-04-29 04:19:45,425 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 54 predicate places. [2021-04-29 04:19:45,425 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:45,425 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 53 transitions, 583 flow [2021-04-29 04:19:45,426 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 53 transitions, 583 flow [2021-04-29 04:19:45,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 53 transitions, 583 flow [2021-04-29 04:19:45,437 INFO L129 PetriNetUnfolder]: 28/87 cut-off events. [2021-04-29 04:19:45,437 INFO L130 PetriNetUnfolder]: For 519/523 co-relation queries the response was YES. [2021-04-29 04:19:45,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 87 events. 28/87 cut-off events. For 519/523 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 308 event pairs, 0 based on Foata normal form. 1/88 useless extension candidates. Maximal degree in co-relation 440. Up to 27 conditions per place. [2021-04-29 04:19:45,439 INFO L146 LiptonReduction]: Number of co-enabled transitions 64 [2021-04-29 04:19:45,447 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:45,447 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:45,447 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-04-29 04:19:45,448 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 53 transitions, 583 flow [2021-04-29 04:19:45,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:45,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:45,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:45,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-04-29 04:19:45,662 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:45,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:45,663 INFO L82 PathProgramCache]: Analyzing trace with hash -936256812, now seen corresponding path program 3 times [2021-04-29 04:19:45,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:45,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759289085] [2021-04-29 04:19:45,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:45,686 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:19:45,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:45,700 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-04-29 04:19:45,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 04:19:45,726 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:19:45,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:45,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759289085] [2021-04-29 04:19:45,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6789253] [2021-04-29 04:19:45,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:45,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:19:45,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:45,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-29 04:19:45,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:45,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:45,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:45,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:45,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:45,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:45,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:45,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:45,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:45,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:45,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:45,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:19:45,823 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:19:45,824 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:45,829 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:45,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:45,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:45,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:45,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:45,843 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:19:45,844 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:45,845 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:45,849 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:19:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:45,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:45,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:45,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:45,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-04-29 04:19:45,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452193006] [2021-04-29 04:19:45,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:19:45,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:45,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:19:45,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:19:45,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:19:45,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 53 transitions, 583 flow. Second operand has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:45,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:45,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:19:45,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:45,993 INFO L129 PetriNetUnfolder]: 34/93 cut-off events. [2021-04-29 04:19:45,993 INFO L130 PetriNetUnfolder]: For 673/683 co-relation queries the response was YES. [2021-04-29 04:19:45,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 93 events. 34/93 cut-off events. For 673/683 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 314 event pairs, 1 based on Foata normal form. 2/94 useless extension candidates. Maximal degree in co-relation 556. Up to 55 conditions per place. [2021-04-29 04:19:45,995 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 26 selfloop transitions, 19 changer transitions 1/55 dead transitions. [2021-04-29 04:19:45,995 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 55 transitions, 708 flow [2021-04-29 04:19:45,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:19:45,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:19:45,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 103 transitions. [2021-04-29 04:19:45,997 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6130952380952381 [2021-04-29 04:19:45,997 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 103 transitions. [2021-04-29 04:19:45,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 103 transitions. [2021-04-29 04:19:45,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:45,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 103 transitions. [2021-04-29 04:19:45,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:45,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:45,999 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:45,999 INFO L185 Difference]: Start difference. First operand has 73 places, 53 transitions, 583 flow. Second operand 7 states and 103 transitions. [2021-04-29 04:19:45,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 55 transitions, 708 flow [2021-04-29 04:19:46,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 55 transitions, 654 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-04-29 04:19:46,007 INFO L241 Difference]: Finished difference. Result has 79 places, 54 transitions, 613 flow [2021-04-29 04:19:46,007 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=613, PETRI_PLACES=79, PETRI_TRANSITIONS=54} [2021-04-29 04:19:46,007 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 59 predicate places. [2021-04-29 04:19:46,008 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:46,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 54 transitions, 613 flow [2021-04-29 04:19:46,008 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 54 transitions, 613 flow [2021-04-29 04:19:46,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 54 transitions, 613 flow [2021-04-29 04:19:46,020 INFO L129 PetriNetUnfolder]: 28/83 cut-off events. [2021-04-29 04:19:46,021 INFO L130 PetriNetUnfolder]: For 548/552 co-relation queries the response was YES. [2021-04-29 04:19:46,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 480 conditions, 83 events. 28/83 cut-off events. For 548/552 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 298 event pairs, 0 based on Foata normal form. 1/84 useless extension candidates. Maximal degree in co-relation 443. Up to 24 conditions per place. [2021-04-29 04:19:46,023 INFO L146 LiptonReduction]: Number of co-enabled transitions 64 [2021-04-29 04:19:46,030 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:46,030 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:46,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-04-29 04:19:46,031 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 54 transitions, 613 flow [2021-04-29 04:19:46,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:46,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:46,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-04-29 04:19:46,246 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:46,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:46,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1924394302, now seen corresponding path program 1 times [2021-04-29 04:19:46,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:46,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861943065] [2021-04-29 04:19:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:46,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:46,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861943065] [2021-04-29 04:19:46,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370252166] [2021-04-29 04:19:46,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:46,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 04:19:46,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:46,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:46,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:46,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:46,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:46,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:19:46,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:46,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:46,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:46,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:46,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:46,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-04-29 04:19:46,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448884888] [2021-04-29 04:19:46,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:19:46,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:46,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:19:46,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:19:46,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:46,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 54 transitions, 613 flow. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:46,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:46,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:46,449 INFO L129 PetriNetUnfolder]: 39/111 cut-off events. [2021-04-29 04:19:46,450 INFO L130 PetriNetUnfolder]: For 931/931 co-relation queries the response was YES. [2021-04-29 04:19:46,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 111 events. 39/111 cut-off events. For 931/931 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 406 event pairs, 0 based on Foata normal form. 1/112 useless extension candidates. Maximal degree in co-relation 669. Up to 32 conditions per place. [2021-04-29 04:19:46,452 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 26 selfloop transitions, 39 changer transitions 2/73 dead transitions. [2021-04-29 04:19:46,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 73 transitions, 1002 flow [2021-04-29 04:19:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:19:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:19:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 156 transitions. [2021-04-29 04:19:46,454 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.65 [2021-04-29 04:19:46,454 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 156 transitions. [2021-04-29 04:19:46,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 156 transitions. [2021-04-29 04:19:46,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:46,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 156 transitions. [2021-04-29 04:19:46,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,457 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,457 INFO L185 Difference]: Start difference. First operand has 78 places, 54 transitions, 613 flow. Second operand 10 states and 156 transitions. [2021-04-29 04:19:46,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 73 transitions, 1002 flow [2021-04-29 04:19:46,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 73 transitions, 945 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:46,468 INFO L241 Difference]: Finished difference. Result has 85 places, 64 transitions, 810 flow [2021-04-29 04:19:46,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=810, PETRI_PLACES=85, PETRI_TRANSITIONS=64} [2021-04-29 04:19:46,468 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 65 predicate places. [2021-04-29 04:19:46,469 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:46,469 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 64 transitions, 810 flow [2021-04-29 04:19:46,469 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 64 transitions, 810 flow [2021-04-29 04:19:46,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 64 transitions, 810 flow [2021-04-29 04:19:46,488 INFO L129 PetriNetUnfolder]: 37/106 cut-off events. [2021-04-29 04:19:46,488 INFO L130 PetriNetUnfolder]: For 917/917 co-relation queries the response was YES. [2021-04-29 04:19:46,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 629 conditions, 106 events. 37/106 cut-off events. For 917/917 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 392 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 568. Up to 31 conditions per place. [2021-04-29 04:19:46,492 INFO L146 LiptonReduction]: Number of co-enabled transitions 58 [2021-04-29 04:19:46,503 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:46,503 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:46,503 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-04-29 04:19:46,504 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 64 transitions, 810 flow [2021-04-29 04:19:46,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:46,504 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:46,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:46,719 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:46,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:46,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1293152862, now seen corresponding path program 4 times [2021-04-29 04:19:46,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:46,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089076950] [2021-04-29 04:19:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:46,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:46,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:46,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089076950] [2021-04-29 04:19:46,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655390989] [2021-04-29 04:19:46,747 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:46,776 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:19:46,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:46,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 04:19:46,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:46,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:46,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:46,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:46,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:46,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:46,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:46,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:46,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:46,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:46,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:46,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:46,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:46,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:46,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:46,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:46,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:46,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 04:19:46,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128186655] [2021-04-29 04:19:46,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:46,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:46,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:46,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:46,833 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:46,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 64 transitions, 810 flow. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:46,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:46,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:46,936 INFO L129 PetriNetUnfolder]: 45/132 cut-off events. [2021-04-29 04:19:46,936 INFO L130 PetriNetUnfolder]: For 1397/1397 co-relation queries the response was YES. [2021-04-29 04:19:46,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 132 events. 45/132 cut-off events. For 1397/1397 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 529 event pairs, 1 based on Foata normal form. 2/134 useless extension candidates. Maximal degree in co-relation 829. Up to 52 conditions per place. [2021-04-29 04:19:46,939 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 38 selfloop transitions, 33 changer transitions 0/77 dead transitions. [2021-04-29 04:19:46,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 77 transitions, 1144 flow [2021-04-29 04:19:46,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:19:46,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:19:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 113 transitions. [2021-04-29 04:19:46,940 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6726190476190477 [2021-04-29 04:19:46,941 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 113 transitions. [2021-04-29 04:19:46,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 113 transitions. [2021-04-29 04:19:46,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:46,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 113 transitions. [2021-04-29 04:19:46,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,942 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,942 INFO L185 Difference]: Start difference. First operand has 82 places, 64 transitions, 810 flow. Second operand 7 states and 113 transitions. [2021-04-29 04:19:46,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 77 transitions, 1144 flow [2021-04-29 04:19:46,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 77 transitions, 1086 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-04-29 04:19:46,962 INFO L241 Difference]: Finished difference. Result has 85 places, 69 transitions, 911 flow [2021-04-29 04:19:46,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=911, PETRI_PLACES=85, PETRI_TRANSITIONS=69} [2021-04-29 04:19:46,962 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 65 predicate places. [2021-04-29 04:19:46,962 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:46,962 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 69 transitions, 911 flow [2021-04-29 04:19:46,963 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 69 transitions, 911 flow [2021-04-29 04:19:46,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 69 transitions, 911 flow [2021-04-29 04:19:46,981 INFO L129 PetriNetUnfolder]: 43/128 cut-off events. [2021-04-29 04:19:46,982 INFO L130 PetriNetUnfolder]: For 1370/1374 co-relation queries the response was YES. [2021-04-29 04:19:46,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 128 events. 43/128 cut-off events. For 1370/1374 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 526 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 748. Up to 36 conditions per place. [2021-04-29 04:19:46,984 INFO L146 LiptonReduction]: Number of co-enabled transitions 58 [2021-04-29 04:19:46,996 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:46,996 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:46,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-04-29 04:19:46,997 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 69 transitions, 911 flow [2021-04-29 04:19:46,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:46,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:46,997 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:47,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-04-29 04:19:47,202 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:47,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:47,203 INFO L82 PathProgramCache]: Analyzing trace with hash -534229426, now seen corresponding path program 5 times [2021-04-29 04:19:47,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:47,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72294400] [2021-04-29 04:19:47,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:47,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:47,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:47,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72294400] [2021-04-29 04:19:47,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736517392] [2021-04-29 04:19:47,232 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:47,258 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:19:47,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:47,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 04:19:47,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:47,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,272 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:47,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:47,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:47,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:47,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:19:47,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:19:47,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:47,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:47,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:47,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:47,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:47,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-04-29 04:19:47,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052604238] [2021-04-29 04:19:47,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 04:19:47,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:47,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 04:19:47,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 04:19:47,316 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:47,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 69 transitions, 911 flow. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,317 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:47,317 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:47,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:47,399 INFO L129 PetriNetUnfolder]: 45/127 cut-off events. [2021-04-29 04:19:47,399 INFO L130 PetriNetUnfolder]: For 1579/1579 co-relation queries the response was YES. [2021-04-29 04:19:47,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 127 events. 45/127 cut-off events. For 1579/1579 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 500 event pairs, 1 based on Foata normal form. 3/130 useless extension candidates. Maximal degree in co-relation 868. Up to 36 conditions per place. [2021-04-29 04:19:47,402 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 40 selfloop transitions, 33 changer transitions 0/79 dead transitions. [2021-04-29 04:19:47,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 79 transitions, 1220 flow [2021-04-29 04:19:47,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:19:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:19:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 100 transitions. [2021-04-29 04:19:47,403 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6944444444444444 [2021-04-29 04:19:47,404 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 100 transitions. [2021-04-29 04:19:47,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 100 transitions. [2021-04-29 04:19:47,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:47,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 100 transitions. [2021-04-29 04:19:47,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,405 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,405 INFO L185 Difference]: Start difference. First operand has 85 places, 69 transitions, 911 flow. Second operand 6 states and 100 transitions. [2021-04-29 04:19:47,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 79 transitions, 1220 flow [2021-04-29 04:19:47,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 79 transitions, 1131 flow, removed 31 selfloop flow, removed 3 redundant places. [2021-04-29 04:19:47,419 INFO L241 Difference]: Finished difference. Result has 88 places, 71 transitions, 938 flow [2021-04-29 04:19:47,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=938, PETRI_PLACES=88, PETRI_TRANSITIONS=71} [2021-04-29 04:19:47,420 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 68 predicate places. [2021-04-29 04:19:47,420 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:47,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 71 transitions, 938 flow [2021-04-29 04:19:47,420 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 71 transitions, 938 flow [2021-04-29 04:19:47,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 71 transitions, 938 flow [2021-04-29 04:19:47,440 INFO L129 PetriNetUnfolder]: 44/124 cut-off events. [2021-04-29 04:19:47,440 INFO L130 PetriNetUnfolder]: For 1270/1270 co-relation queries the response was YES. [2021-04-29 04:19:47,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 124 events. 44/124 cut-off events. For 1270/1270 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 508 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 752. Up to 31 conditions per place. [2021-04-29 04:19:47,443 INFO L146 LiptonReduction]: Number of co-enabled transitions 58 [2021-04-29 04:19:47,455 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:47,456 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:47,456 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-04-29 04:19:47,456 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 71 transitions, 938 flow [2021-04-29 04:19:47,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:47,457 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:47,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:47,673 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:47,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:47,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1548701982, now seen corresponding path program 6 times [2021-04-29 04:19:47,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:47,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274549414] [2021-04-29 04:19:47,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:47,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:47,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274549414] [2021-04-29 04:19:47,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5631568] [2021-04-29 04:19:47,702 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:47,724 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 04:19:47,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:47,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 04:19:47,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:47,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:47,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:47,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:47,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:47,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:47,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:47,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:47,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:47,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:47,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:47,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:47,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:47,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:47,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:47,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-04-29 04:19:47,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-04-29 04:19:47,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887858177] [2021-04-29 04:19:47,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 04:19:47,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:47,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 04:19:47,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:47,780 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:47,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 71 transitions, 938 flow. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:47,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:47,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:47,831 INFO L129 PetriNetUnfolder]: 44/122 cut-off events. [2021-04-29 04:19:47,832 INFO L130 PetriNetUnfolder]: For 1334/1334 co-relation queries the response was YES. [2021-04-29 04:19:47,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 894 conditions, 122 events. 44/122 cut-off events. For 1334/1334 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 462 event pairs, 1 based on Foata normal form. 1/123 useless extension candidates. Maximal degree in co-relation 830. Up to 54 conditions per place. [2021-04-29 04:19:47,834 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 39 selfloop transitions, 30 changer transitions 1/76 dead transitions. [2021-04-29 04:19:47,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 76 transitions, 1160 flow [2021-04-29 04:19:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 04:19:47,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 04:19:47,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 96 transitions. [2021-04-29 04:19:47,836 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-04-29 04:19:47,836 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 96 transitions. [2021-04-29 04:19:47,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 96 transitions. [2021-04-29 04:19:47,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:47,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 96 transitions. [2021-04-29 04:19:47,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,837 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,837 INFO L185 Difference]: Start difference. First operand has 88 places, 71 transitions, 938 flow. Second operand 6 states and 96 transitions. [2021-04-29 04:19:47,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 76 transitions, 1160 flow [2021-04-29 04:19:47,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 76 transitions, 1094 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:47,849 INFO L241 Difference]: Finished difference. Result has 89 places, 69 transitions, 910 flow [2021-04-29 04:19:47,849 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=859, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=910, PETRI_PLACES=89, PETRI_TRANSITIONS=69} [2021-04-29 04:19:47,849 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 69 predicate places. [2021-04-29 04:19:47,850 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:47,850 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 69 transitions, 910 flow [2021-04-29 04:19:47,850 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 69 transitions, 910 flow [2021-04-29 04:19:47,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 69 transitions, 910 flow [2021-04-29 04:19:47,877 INFO L129 PetriNetUnfolder]: 43/117 cut-off events. [2021-04-29 04:19:47,878 INFO L130 PetriNetUnfolder]: For 1243/1243 co-relation queries the response was YES. [2021-04-29 04:19:47,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 780 conditions, 117 events. 43/117 cut-off events. For 1243/1243 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 438 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 721. Up to 31 conditions per place. [2021-04-29 04:19:47,880 INFO L146 LiptonReduction]: Number of co-enabled transitions 56 [2021-04-29 04:19:47,892 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:47,892 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:47,892 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-04-29 04:19:47,893 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 69 transitions, 910 flow [2021-04-29 04:19:47,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:47,893 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:47,893 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:48,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-04-29 04:19:48,106 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:48,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:48,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1511103818, now seen corresponding path program 2 times [2021-04-29 04:19:48,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:48,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809943157] [2021-04-29 04:19:48,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:48,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:48,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809943157] [2021-04-29 04:19:48,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87009939] [2021-04-29 04:19:48,132 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:48,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:19:48,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:48,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 04:19:48,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:48,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:48,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:48,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:48,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:48,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:48,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:48,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:48,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:48,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:48,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:48,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:48,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 04:19:48,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218156546] [2021-04-29 04:19:48,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:48,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:48,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:48,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:48,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:48,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 69 transitions, 910 flow. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:48,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:48,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:48,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:48,352 INFO L129 PetriNetUnfolder]: 46/137 cut-off events. [2021-04-29 04:19:48,352 INFO L130 PetriNetUnfolder]: For 1528/1528 co-relation queries the response was YES. [2021-04-29 04:19:48,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 137 events. 46/137 cut-off events. For 1528/1528 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 575 event pairs, 0 based on Foata normal form. 2/139 useless extension candidates. Maximal degree in co-relation 906. Up to 35 conditions per place. [2021-04-29 04:19:48,355 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 38 selfloop transitions, 44 changer transitions 1/89 dead transitions. [2021-04-29 04:19:48,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 89 transitions, 1356 flow [2021-04-29 04:19:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 04:19:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 04:19:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 220 transitions. [2021-04-29 04:19:48,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6547619047619048 [2021-04-29 04:19:48,357 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 220 transitions. [2021-04-29 04:19:48,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 220 transitions. [2021-04-29 04:19:48,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:48,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 220 transitions. [2021-04-29 04:19:48,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:48,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:48,359 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:48,359 INFO L185 Difference]: Start difference. First operand has 87 places, 69 transitions, 910 flow. Second operand 14 states and 220 transitions. [2021-04-29 04:19:48,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 89 transitions, 1356 flow [2021-04-29 04:19:48,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 89 transitions, 1283 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 04:19:48,373 INFO L241 Difference]: Finished difference. Result has 100 places, 77 transitions, 1061 flow [2021-04-29 04:19:48,373 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1061, PETRI_PLACES=100, PETRI_TRANSITIONS=77} [2021-04-29 04:19:48,373 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 80 predicate places. [2021-04-29 04:19:48,374 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:48,374 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 77 transitions, 1061 flow [2021-04-29 04:19:48,374 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 77 transitions, 1061 flow [2021-04-29 04:19:48,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 77 transitions, 1061 flow [2021-04-29 04:19:48,393 INFO L129 PetriNetUnfolder]: 44/133 cut-off events. [2021-04-29 04:19:48,394 INFO L130 PetriNetUnfolder]: For 1477/1480 co-relation queries the response was YES. [2021-04-29 04:19:48,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 133 events. 44/133 cut-off events. For 1477/1480 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 565 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 809. Up to 33 conditions per place. [2021-04-29 04:19:48,397 INFO L146 LiptonReduction]: Number of co-enabled transitions 64 [2021-04-29 04:19:48,410 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:48,411 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:48,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-04-29 04:19:48,411 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 77 transitions, 1061 flow [2021-04-29 04:19:48,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:48,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:48,412 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:48,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:48,628 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:48,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:48,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1179472328, now seen corresponding path program 3 times [2021-04-29 04:19:48,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:48,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146580962] [2021-04-29 04:19:48,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:48,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:48,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:48,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146580962] [2021-04-29 04:19:48,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394021163] [2021-04-29 04:19:48,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:48,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:19:48,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:48,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 04:19:48,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:48,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:48,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:48,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:48,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:48,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:48,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:48,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:48,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:48,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:48,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:48,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:48,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:48,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:48,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:48,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 04:19:48,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84130203] [2021-04-29 04:19:48,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 04:19:48,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:48,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 04:19:48,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 04:19:48,750 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:48,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 77 transitions, 1061 flow. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:48,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:48,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:48,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:48,845 INFO L129 PetriNetUnfolder]: 45/129 cut-off events. [2021-04-29 04:19:48,845 INFO L130 PetriNetUnfolder]: For 1593/1593 co-relation queries the response was YES. [2021-04-29 04:19:48,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 129 events. 45/129 cut-off events. For 1593/1593 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 515 event pairs, 1 based on Foata normal form. 2/131 useless extension candidates. Maximal degree in co-relation 923. Up to 46 conditions per place. [2021-04-29 04:19:48,848 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 42 selfloop transitions, 33 changer transitions 0/81 dead transitions. [2021-04-29 04:19:48,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 81 transitions, 1259 flow [2021-04-29 04:19:48,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:19:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:19:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 130 transitions. [2021-04-29 04:19:48,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6770833333333334 [2021-04-29 04:19:48,849 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 130 transitions. [2021-04-29 04:19:48,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 130 transitions. [2021-04-29 04:19:48,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:48,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 130 transitions. [2021-04-29 04:19:48,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:48,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:48,851 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:48,851 INFO L185 Difference]: Start difference. First operand has 99 places, 77 transitions, 1061 flow. Second operand 8 states and 130 transitions. [2021-04-29 04:19:48,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 81 transitions, 1259 flow [2021-04-29 04:19:48,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 81 transitions, 1165 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-04-29 04:19:48,864 INFO L241 Difference]: Finished difference. Result has 98 places, 74 transitions, 983 flow [2021-04-29 04:19:48,865 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=983, PETRI_PLACES=98, PETRI_TRANSITIONS=74} [2021-04-29 04:19:48,865 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 78 predicate places. [2021-04-29 04:19:48,865 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:48,865 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 74 transitions, 983 flow [2021-04-29 04:19:48,866 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 74 transitions, 983 flow [2021-04-29 04:19:48,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 74 transitions, 983 flow [2021-04-29 04:19:48,887 INFO L129 PetriNetUnfolder]: 44/129 cut-off events. [2021-04-29 04:19:48,887 INFO L130 PetriNetUnfolder]: For 1299/1302 co-relation queries the response was YES. [2021-04-29 04:19:48,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 129 events. 44/129 cut-off events. For 1299/1302 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 534 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 773. Up to 33 conditions per place. [2021-04-29 04:19:48,889 INFO L146 LiptonReduction]: Number of co-enabled transitions 62 [2021-04-29 04:19:48,902 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:48,903 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:48,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-04-29 04:19:48,903 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 74 transitions, 983 flow [2021-04-29 04:19:48,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:48,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:48,904 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:49,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-04-29 04:19:49,117 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:49,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:49,118 INFO L82 PathProgramCache]: Analyzing trace with hash -380217932, now seen corresponding path program 4 times [2021-04-29 04:19:49,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:49,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230007682] [2021-04-29 04:19:49,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:49,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:49,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:49,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:49,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230007682] [2021-04-29 04:19:49,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553608466] [2021-04-29 04:19:49,146 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:49,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:19:49,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:49,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:49,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:49,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:49,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:49,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:49,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:49,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:49,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:49,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:49,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:49,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:49,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:49,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:49,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:49,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:49,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:49,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:49,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-04-29 04:19:49,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311270156] [2021-04-29 04:19:49,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:19:49,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:49,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:19:49,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:19:49,252 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:49,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 74 transitions, 983 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:49,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:49,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:49,372 INFO L129 PetriNetUnfolder]: 64/200 cut-off events. [2021-04-29 04:19:49,372 INFO L130 PetriNetUnfolder]: For 2318/2318 co-relation queries the response was YES. [2021-04-29 04:19:49,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1424 conditions, 200 events. 64/200 cut-off events. For 2318/2318 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 993 event pairs, 3 based on Foata normal form. 4/204 useless extension candidates. Maximal degree in co-relation 1338. Up to 100 conditions per place. [2021-04-29 04:19:49,376 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 75 selfloop transitions, 28 changer transitions 0/109 dead transitions. [2021-04-29 04:19:49,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 109 transitions, 1701 flow [2021-04-29 04:19:49,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:19:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:19:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 163 transitions. [2021-04-29 04:19:49,377 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6791666666666667 [2021-04-29 04:19:49,377 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 163 transitions. [2021-04-29 04:19:49,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 163 transitions. [2021-04-29 04:19:49,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:49,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 163 transitions. [2021-04-29 04:19:49,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 16.3) internal successors, (163), 10 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,379 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,379 INFO L185 Difference]: Start difference. First operand has 98 places, 74 transitions, 983 flow. Second operand 10 states and 163 transitions. [2021-04-29 04:19:49,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 109 transitions, 1701 flow [2021-04-29 04:19:49,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 109 transitions, 1619 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-04-29 04:19:49,396 INFO L241 Difference]: Finished difference. Result has 106 places, 94 transitions, 1302 flow [2021-04-29 04:19:49,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=913, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1302, PETRI_PLACES=106, PETRI_TRANSITIONS=94} [2021-04-29 04:19:49,396 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 86 predicate places. [2021-04-29 04:19:49,397 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:49,397 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 94 transitions, 1302 flow [2021-04-29 04:19:49,397 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 94 transitions, 1302 flow [2021-04-29 04:19:49,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 94 transitions, 1302 flow [2021-04-29 04:19:49,430 INFO L129 PetriNetUnfolder]: 61/197 cut-off events. [2021-04-29 04:19:49,430 INFO L130 PetriNetUnfolder]: For 2240/2252 co-relation queries the response was YES. [2021-04-29 04:19:49,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1298 conditions, 197 events. 61/197 cut-off events. For 2240/2252 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 969 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 1218. Up to 51 conditions per place. [2021-04-29 04:19:49,435 INFO L146 LiptonReduction]: Number of co-enabled transitions 74 [2021-04-29 04:19:49,452 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:49,452 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:49,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-04-29 04:19:49,453 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 94 transitions, 1302 flow [2021-04-29 04:19:49,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:49,453 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:49,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:49,666 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:49,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:49,667 INFO L82 PathProgramCache]: Analyzing trace with hash -550452092, now seen corresponding path program 5 times [2021-04-29 04:19:49,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:49,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094516733] [2021-04-29 04:19:49,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:49,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:49,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:19:49,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094516733] [2021-04-29 04:19:49,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649778854] [2021-04-29 04:19:49,694 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:49,720 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:19:49,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:49,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:49,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:49,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:49,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:49,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:49,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:49,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:49,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:49,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:49,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:49,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:49,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:49,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:49,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:49,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:49,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:49,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:49,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:49,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:49,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-04-29 04:19:49,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714253414] [2021-04-29 04:19:49,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:19:49,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:49,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:19:49,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:19:49,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:49,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 94 transitions, 1302 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:49,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:49,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:49,956 INFO L129 PetriNetUnfolder]: 62/200 cut-off events. [2021-04-29 04:19:49,956 INFO L130 PetriNetUnfolder]: For 2530/2530 co-relation queries the response was YES. [2021-04-29 04:19:49,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1486 conditions, 200 events. 62/200 cut-off events. For 2530/2530 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1003 event pairs, 0 based on Foata normal form. 2/202 useless extension candidates. Maximal degree in co-relation 1400. Up to 71 conditions per place. [2021-04-29 04:19:49,959 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 68 selfloop transitions, 39 changer transitions 1/114 dead transitions. [2021-04-29 04:19:49,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 114 transitions, 1869 flow [2021-04-29 04:19:49,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 04:19:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 04:19:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 205 transitions. [2021-04-29 04:19:49,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.657051282051282 [2021-04-29 04:19:49,961 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 205 transitions. [2021-04-29 04:19:49,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 205 transitions. [2021-04-29 04:19:49,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:49,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 205 transitions. [2021-04-29 04:19:49,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 15.76923076923077) internal successors, (205), 13 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,963 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:49,963 INFO L185 Difference]: Start difference. First operand has 106 places, 94 transitions, 1302 flow. Second operand 13 states and 205 transitions. [2021-04-29 04:19:49,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 114 transitions, 1869 flow [2021-04-29 04:19:49,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 114 transitions, 1776 flow, removed 43 selfloop flow, removed 2 redundant places. [2021-04-29 04:19:49,983 INFO L241 Difference]: Finished difference. Result has 120 places, 102 transitions, 1470 flow [2021-04-29 04:19:49,984 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=1183, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1470, PETRI_PLACES=120, PETRI_TRANSITIONS=102} [2021-04-29 04:19:49,984 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 100 predicate places. [2021-04-29 04:19:49,984 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:49,984 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 102 transitions, 1470 flow [2021-04-29 04:19:49,984 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 102 transitions, 1470 flow [2021-04-29 04:19:49,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 102 transitions, 1470 flow [2021-04-29 04:19:50,015 INFO L129 PetriNetUnfolder]: 60/193 cut-off events. [2021-04-29 04:19:50,015 INFO L130 PetriNetUnfolder]: For 2437/2443 co-relation queries the response was YES. [2021-04-29 04:19:50,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1329 conditions, 193 events. 60/193 cut-off events. For 2437/2443 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 949 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 1236. Up to 47 conditions per place. [2021-04-29 04:19:50,019 INFO L146 LiptonReduction]: Number of co-enabled transitions 82 [2021-04-29 04:19:50,026 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:50,026 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:50,027 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-04-29 04:19:50,027 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 102 transitions, 1470 flow [2021-04-29 04:19:50,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:50,027 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:50,027 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:50,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-04-29 04:19:50,242 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:50,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:50,243 INFO L82 PathProgramCache]: Analyzing trace with hash -495570606, now seen corresponding path program 6 times [2021-04-29 04:19:50,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:50,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972746313] [2021-04-29 04:19:50,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:50,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:50,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:50,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:19:50,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972746313] [2021-04-29 04:19:50,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54252200] [2021-04-29 04:19:50,271 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:50,297 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:19:50,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:50,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:50,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:50,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:50,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:50,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:50,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:50,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:50,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:50,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:50,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:50,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:50,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:50,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:50,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:50,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:50,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:50,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:50,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:50,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-04-29 04:19:50,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048579851] [2021-04-29 04:19:50,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:19:50,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:50,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:19:50,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:19:50,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:50,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 102 transitions, 1470 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:50,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:50,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:50,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:50,548 INFO L129 PetriNetUnfolder]: 81/276 cut-off events. [2021-04-29 04:19:50,548 INFO L130 PetriNetUnfolder]: For 4038/4038 co-relation queries the response was YES. [2021-04-29 04:19:50,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2066 conditions, 276 events. 81/276 cut-off events. For 4038/4038 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1562 event pairs, 3 based on Foata normal form. 10/286 useless extension candidates. Maximal degree in co-relation 1960. Up to 116 conditions per place. [2021-04-29 04:19:50,554 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 90 selfloop transitions, 53 changer transitions 0/149 dead transitions. [2021-04-29 04:19:50,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 149 transitions, 2560 flow [2021-04-29 04:19:50,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 04:19:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 04:19:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 182 transitions. [2021-04-29 04:19:50,555 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6893939393939394 [2021-04-29 04:19:50,556 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 182 transitions. [2021-04-29 04:19:50,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 182 transitions. [2021-04-29 04:19:50,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:50,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 182 transitions. [2021-04-29 04:19:50,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 16.545454545454547) internal successors, (182), 11 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:50,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:50,557 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:50,558 INFO L185 Difference]: Start difference. First operand has 119 places, 102 transitions, 1470 flow. Second operand 11 states and 182 transitions. [2021-04-29 04:19:50,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 149 transitions, 2560 flow [2021-04-29 04:19:50,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 149 transitions, 2411 flow, removed 69 selfloop flow, removed 3 redundant places. [2021-04-29 04:19:50,586 INFO L241 Difference]: Finished difference. Result has 132 places, 125 transitions, 1934 flow [2021-04-29 04:19:50,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=1343, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1934, PETRI_PLACES=132, PETRI_TRANSITIONS=125} [2021-04-29 04:19:50,586 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 112 predicate places. [2021-04-29 04:19:50,587 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:50,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 125 transitions, 1934 flow [2021-04-29 04:19:50,587 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 125 transitions, 1934 flow [2021-04-29 04:19:50,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 125 transitions, 1934 flow [2021-04-29 04:19:50,634 INFO L129 PetriNetUnfolder]: 77/266 cut-off events. [2021-04-29 04:19:50,635 INFO L130 PetriNetUnfolder]: For 3898/3910 co-relation queries the response was YES. [2021-04-29 04:19:50,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1906 conditions, 266 events. 77/266 cut-off events. For 3898/3910 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1506 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 1788. Up to 67 conditions per place. [2021-04-29 04:19:50,642 INFO L146 LiptonReduction]: Number of co-enabled transitions 96 [2021-04-29 04:19:50,652 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:50,652 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:50,652 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-04-29 04:19:50,653 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 125 transitions, 1934 flow [2021-04-29 04:19:50,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:50,653 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:50,653 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:50,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-04-29 04:19:50,868 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:50,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:50,869 INFO L82 PathProgramCache]: Analyzing trace with hash 95525228, now seen corresponding path program 7 times [2021-04-29 04:19:50,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:50,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129645092] [2021-04-29 04:19:50,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:50,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:50,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:50,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:50,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129645092] [2021-04-29 04:19:50,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804018702] [2021-04-29 04:19:50,901 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:50,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:50,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:50,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:50,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:50,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:50,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:50,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:50,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:19:50,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:19:50,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:50,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:50,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:50,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:50,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:50,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:50,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:50,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:50,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:50,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:51,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:51,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:51,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:51,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-04-29 04:19:51,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175892636] [2021-04-29 04:19:51,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:19:51,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:51,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:19:51,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:19:51,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:51,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 125 transitions, 1934 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:51,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:51,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:51,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:51,173 INFO L129 PetriNetUnfolder]: 97/322 cut-off events. [2021-04-29 04:19:51,173 INFO L130 PetriNetUnfolder]: For 5467/5467 co-relation queries the response was YES. [2021-04-29 04:19:51,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2591 conditions, 322 events. 97/322 cut-off events. For 5467/5467 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1958 event pairs, 4 based on Foata normal form. 6/328 useless extension candidates. Maximal degree in co-relation 2446. Up to 158 conditions per place. [2021-04-29 04:19:51,179 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 106 selfloop transitions, 45 changer transitions 0/157 dead transitions. [2021-04-29 04:19:51,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 157 transitions, 2843 flow [2021-04-29 04:19:51,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:19:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:19:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 115 transitions. [2021-04-29 04:19:51,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6845238095238095 [2021-04-29 04:19:51,180 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 115 transitions. [2021-04-29 04:19:51,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 115 transitions. [2021-04-29 04:19:51,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:51,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 115 transitions. [2021-04-29 04:19:51,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:51,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:51,182 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:51,182 INFO L185 Difference]: Start difference. First operand has 132 places, 125 transitions, 1934 flow. Second operand 7 states and 115 transitions. [2021-04-29 04:19:51,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 157 transitions, 2843 flow [2021-04-29 04:19:51,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 157 transitions, 2603 flow, removed 91 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:51,220 INFO L241 Difference]: Finished difference. Result has 138 places, 143 transitions, 2236 flow [2021-04-29 04:19:51,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=1770, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2236, PETRI_PLACES=138, PETRI_TRANSITIONS=143} [2021-04-29 04:19:51,221 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 118 predicate places. [2021-04-29 04:19:51,221 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:51,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 143 transitions, 2236 flow [2021-04-29 04:19:51,221 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 143 transitions, 2236 flow [2021-04-29 04:19:51,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 143 transitions, 2236 flow [2021-04-29 04:19:51,274 INFO L129 PetriNetUnfolder]: 92/311 cut-off events. [2021-04-29 04:19:51,274 INFO L130 PetriNetUnfolder]: For 4805/4820 co-relation queries the response was YES. [2021-04-29 04:19:51,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2258 conditions, 311 events. 92/311 cut-off events. For 4805/4820 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1858 event pairs, 0 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 2112. Up to 78 conditions per place. [2021-04-29 04:19:51,282 INFO L146 LiptonReduction]: Number of co-enabled transitions 116 [2021-04-29 04:19:51,294 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:51,294 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:51,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-04-29 04:19:51,294 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 143 transitions, 2236 flow [2021-04-29 04:19:51,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:51,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:51,295 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:51,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-04-29 04:19:51,510 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:51,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:51,510 INFO L82 PathProgramCache]: Analyzing trace with hash -990873424, now seen corresponding path program 8 times [2021-04-29 04:19:51,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:51,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5011063] [2021-04-29 04:19:51,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:51,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:51,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:51,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:51,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5011063] [2021-04-29 04:19:51,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148999956] [2021-04-29 04:19:51,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:51,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:19:51,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:51,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:51,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:51,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:51,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:51,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:51,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:51,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:51,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:51,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:51,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:51,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:51,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:51,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:51,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:51,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:51,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:51,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:51,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:51,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:51,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:51,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:51,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:51,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:51,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:51,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:51,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:51,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-04-29 04:19:51,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102070259] [2021-04-29 04:19:51,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:19:51,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:51,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:19:51,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:19:51,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:51,662 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 143 transitions, 2236 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:51,662 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:51,662 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:51,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:51,875 INFO L129 PetriNetUnfolder]: 94/312 cut-off events. [2021-04-29 04:19:51,876 INFO L130 PetriNetUnfolder]: For 5149/5149 co-relation queries the response was YES. [2021-04-29 04:19:51,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2512 conditions, 312 events. 94/312 cut-off events. For 5149/5149 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1833 event pairs, 0 based on Foata normal form. 3/315 useless extension candidates. Maximal degree in co-relation 2366. Up to 129 conditions per place. [2021-04-29 04:19:51,882 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 101 selfloop transitions, 45 changer transitions 2/154 dead transitions. [2021-04-29 04:19:51,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 154 transitions, 2757 flow [2021-04-29 04:19:51,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 04:19:51,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 04:19:51,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 233 transitions. [2021-04-29 04:19:51,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6472222222222223 [2021-04-29 04:19:51,884 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 233 transitions. [2021-04-29 04:19:51,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 233 transitions. [2021-04-29 04:19:51,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:51,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 233 transitions. [2021-04-29 04:19:51,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 15.533333333333333) internal successors, (233), 15 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:51,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:51,886 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:51,886 INFO L185 Difference]: Start difference. First operand has 138 places, 143 transitions, 2236 flow. Second operand 15 states and 233 transitions. [2021-04-29 04:19:51,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 154 transitions, 2757 flow [2021-04-29 04:19:51,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 154 transitions, 2703 flow, removed 22 selfloop flow, removed 2 redundant places. [2021-04-29 04:19:51,933 INFO L241 Difference]: Finished difference. Result has 154 places, 145 transitions, 2350 flow [2021-04-29 04:19:51,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=2162, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2350, PETRI_PLACES=154, PETRI_TRANSITIONS=145} [2021-04-29 04:19:51,934 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 134 predicate places. [2021-04-29 04:19:51,934 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:51,934 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 145 transitions, 2350 flow [2021-04-29 04:19:51,935 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 145 transitions, 2350 flow [2021-04-29 04:19:51,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 145 transitions, 2350 flow [2021-04-29 04:19:51,988 INFO L129 PetriNetUnfolder]: 90/299 cut-off events. [2021-04-29 04:19:51,989 INFO L130 PetriNetUnfolder]: For 5058/5067 co-relation queries the response was YES. [2021-04-29 04:19:51,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2269 conditions, 299 events. 90/299 cut-off events. For 5058/5067 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1749 event pairs, 0 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 2124. Up to 78 conditions per place. [2021-04-29 04:19:51,997 INFO L146 LiptonReduction]: Number of co-enabled transitions 104 [2021-04-29 04:19:52,009 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:52,010 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:52,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-04-29 04:19:52,010 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 145 transitions, 2350 flow [2021-04-29 04:19:52,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:52,011 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:52,011 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:52,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-04-29 04:19:52,227 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:52,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:52,227 INFO L82 PathProgramCache]: Analyzing trace with hash 811777634, now seen corresponding path program 9 times [2021-04-29 04:19:52,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:52,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768833938] [2021-04-29 04:19:52,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:52,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:52,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:52,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:52,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768833938] [2021-04-29 04:19:52,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89500748] [2021-04-29 04:19:52,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:52,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:19:52,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:52,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:52,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:52,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:52,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:52,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:52,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:52,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:52,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:52,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:52,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:52,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:52,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:52,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:52,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:52,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:52,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:52,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:52,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:52,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:52,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:52,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:52,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:52,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:52,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:52,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:52,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:52,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:52,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:52,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:52,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:52,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:52,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:52,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:52,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:52,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-04-29 04:19:52,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766109502] [2021-04-29 04:19:52,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:19:52,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:52,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:19:52,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:19:52,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:52,377 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 145 transitions, 2350 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:52,377 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:52,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:52,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:52,571 INFO L129 PetriNetUnfolder]: 113/382 cut-off events. [2021-04-29 04:19:52,572 INFO L130 PetriNetUnfolder]: For 7918/7918 co-relation queries the response was YES. [2021-04-29 04:19:52,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3219 conditions, 382 events. 113/382 cut-off events. For 7918/7918 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2495 event pairs, 5 based on Foata normal form. 4/386 useless extension candidates. Maximal degree in co-relation 3046. Up to 149 conditions per place. [2021-04-29 04:19:52,580 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 107 selfloop transitions, 70 changer transitions 0/183 dead transitions. [2021-04-29 04:19:52,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 183 transitions, 3531 flow [2021-04-29 04:19:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 04:19:52,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 04:19:52,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 181 transitions. [2021-04-29 04:19:52,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6856060606060606 [2021-04-29 04:19:52,582 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 181 transitions. [2021-04-29 04:19:52,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 181 transitions. [2021-04-29 04:19:52,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:52,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 181 transitions. [2021-04-29 04:19:52,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 16.454545454545453) internal successors, (181), 11 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:52,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:52,583 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:52,583 INFO L185 Difference]: Start difference. First operand has 152 places, 145 transitions, 2350 flow. Second operand 11 states and 181 transitions. [2021-04-29 04:19:52,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 183 transitions, 3531 flow [2021-04-29 04:19:52,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 183 transitions, 3405 flow, removed 31 selfloop flow, removed 8 redundant places. [2021-04-29 04:19:52,636 INFO L241 Difference]: Finished difference. Result has 159 places, 164 transitions, 2874 flow [2021-04-29 04:19:52,636 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=2239, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2874, PETRI_PLACES=159, PETRI_TRANSITIONS=164} [2021-04-29 04:19:52,637 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 139 predicate places. [2021-04-29 04:19:52,637 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:52,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 164 transitions, 2874 flow [2021-04-29 04:19:52,637 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 164 transitions, 2874 flow [2021-04-29 04:19:52,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 164 transitions, 2874 flow [2021-04-29 04:19:52,703 INFO L129 PetriNetUnfolder]: 107/366 cut-off events. [2021-04-29 04:19:52,704 INFO L130 PetriNetUnfolder]: For 7586/7601 co-relation queries the response was YES. [2021-04-29 04:19:52,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2929 conditions, 366 events. 107/366 cut-off events. For 7586/7601 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2340 event pairs, 0 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 2756. Up to 95 conditions per place. [2021-04-29 04:19:52,712 INFO L146 LiptonReduction]: Number of co-enabled transitions 116 [2021-04-29 04:19:52,726 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:52,726 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:52,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89 [2021-04-29 04:19:52,727 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 164 transitions, 2874 flow [2021-04-29 04:19:52,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:52,727 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:52,727 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:52,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:52,943 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:52,943 INFO L82 PathProgramCache]: Analyzing trace with hash -588050256, now seen corresponding path program 10 times [2021-04-29 04:19:52,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:52,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303320351] [2021-04-29 04:19:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:52,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:52,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:52,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:52,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:52,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303320351] [2021-04-29 04:19:52,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779832252] [2021-04-29 04:19:52,971 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:52,994 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:19:52,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:52,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:52,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:52,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:53,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:53,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:53,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:53,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:53,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:53,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:53,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:53,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:53,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:53,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:53,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:53,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:53,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-04-29 04:19:53,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468806897] [2021-04-29 04:19:53,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:19:53,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:53,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:19:53,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:19:53,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:53,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 164 transitions, 2874 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:53,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:53,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:53,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:53,344 INFO L129 PetriNetUnfolder]: 109/363 cut-off events. [2021-04-29 04:19:53,344 INFO L130 PetriNetUnfolder]: For 8412/8412 co-relation queries the response was YES. [2021-04-29 04:19:53,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3195 conditions, 363 events. 109/363 cut-off events. For 8412/8412 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2297 event pairs, 0 based on Foata normal form. 4/367 useless extension candidates. Maximal degree in co-relation 3025. Up to 102 conditions per place. [2021-04-29 04:19:53,352 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 87 selfloop transitions, 95 changer transitions 1/189 dead transitions. [2021-04-29 04:19:53,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 189 transitions, 3771 flow [2021-04-29 04:19:53,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 04:19:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 04:19:53,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 266 transitions. [2021-04-29 04:19:53,354 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6519607843137255 [2021-04-29 04:19:53,354 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 266 transitions. [2021-04-29 04:19:53,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 266 transitions. [2021-04-29 04:19:53,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:53,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 266 transitions. [2021-04-29 04:19:53,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 15.647058823529411) internal successors, (266), 17 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:53,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 24.0) internal successors, (432), 18 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:53,356 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 24.0) internal successors, (432), 18 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:53,356 INFO L185 Difference]: Start difference. First operand has 159 places, 164 transitions, 2874 flow. Second operand 17 states and 266 transitions. [2021-04-29 04:19:53,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 189 transitions, 3771 flow [2021-04-29 04:19:53,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 189 transitions, 3499 flow, removed 84 selfloop flow, removed 7 redundant places. [2021-04-29 04:19:53,422 INFO L241 Difference]: Finished difference. Result has 172 places, 175 transitions, 3095 flow [2021-04-29 04:19:53,422 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=2532, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3095, PETRI_PLACES=172, PETRI_TRANSITIONS=175} [2021-04-29 04:19:53,422 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 152 predicate places. [2021-04-29 04:19:53,423 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:53,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 175 transitions, 3095 flow [2021-04-29 04:19:53,423 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 175 transitions, 3095 flow [2021-04-29 04:19:53,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 172 places, 175 transitions, 3095 flow [2021-04-29 04:19:53,487 INFO L129 PetriNetUnfolder]: 103/346 cut-off events. [2021-04-29 04:19:53,487 INFO L130 PetriNetUnfolder]: For 7431/7447 co-relation queries the response was YES. [2021-04-29 04:19:53,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2832 conditions, 346 events. 103/346 cut-off events. For 7431/7447 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2201 event pairs, 0 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 2686. Up to 87 conditions per place. [2021-04-29 04:19:53,495 INFO L146 LiptonReduction]: Number of co-enabled transitions 122 [2021-04-29 04:19:53,511 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:53,511 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:53,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89 [2021-04-29 04:19:53,512 INFO L480 AbstractCegarLoop]: Abstraction has has 172 places, 175 transitions, 3095 flow [2021-04-29 04:19:53,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:53,512 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:53,513 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:53,726 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:53,726 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:53,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:53,727 INFO L82 PathProgramCache]: Analyzing trace with hash 660780416, now seen corresponding path program 11 times [2021-04-29 04:19:53,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:53,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49471058] [2021-04-29 04:19:53,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:53,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:53,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:53,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49471058] [2021-04-29 04:19:53,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854106578] [2021-04-29 04:19:53,760 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:53,783 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:19:53,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:53,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:53,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:53,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:53,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:53,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:53,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:53,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:53,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:19:53,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:53,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:53,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:53,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:53,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:53,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:53,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:53,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:53,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:53,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:53,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:53,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:53,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-04-29 04:19:53,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367487340] [2021-04-29 04:19:53,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 04:19:53,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:53,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 04:19:53,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-04-29 04:19:53,847 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:53,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 175 transitions, 3095 flow. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:53,848 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:53,848 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:53,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:54,067 INFO L129 PetriNetUnfolder]: 108/360 cut-off events. [2021-04-29 04:19:54,067 INFO L130 PetriNetUnfolder]: For 8219/8219 co-relation queries the response was YES. [2021-04-29 04:19:54,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3253 conditions, 360 events. 108/360 cut-off events. For 8219/8219 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2294 event pairs, 0 based on Foata normal form. 1/361 useless extension candidates. Maximal degree in co-relation 3085. Up to 143 conditions per place. [2021-04-29 04:19:54,076 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 126 selfloop transitions, 51 changer transitions 3/186 dead transitions. [2021-04-29 04:19:54,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 186 transitions, 3760 flow [2021-04-29 04:19:54,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:19:54,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:19:54,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 154 transitions. [2021-04-29 04:19:54,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6416666666666667 [2021-04-29 04:19:54,078 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 154 transitions. [2021-04-29 04:19:54,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 154 transitions. [2021-04-29 04:19:54,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:54,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 154 transitions. [2021-04-29 04:19:54,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 15.4) internal successors, (154), 10 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:54,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:54,080 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:54,080 INFO L185 Difference]: Start difference. First operand has 172 places, 175 transitions, 3095 flow. Second operand 10 states and 154 transitions. [2021-04-29 04:19:54,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 186 transitions, 3760 flow [2021-04-29 04:19:54,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 186 transitions, 3552 flow, removed 84 selfloop flow, removed 5 redundant places. [2021-04-29 04:19:54,160 INFO L241 Difference]: Finished difference. Result has 180 places, 177 transitions, 3123 flow [2021-04-29 04:19:54,161 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=2891, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3123, PETRI_PLACES=180, PETRI_TRANSITIONS=177} [2021-04-29 04:19:54,161 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 160 predicate places. [2021-04-29 04:19:54,161 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:54,161 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 180 places, 177 transitions, 3123 flow [2021-04-29 04:19:54,162 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 180 places, 177 transitions, 3123 flow [2021-04-29 04:19:54,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 177 transitions, 3123 flow [2021-04-29 04:19:54,236 INFO L129 PetriNetUnfolder]: 104/350 cut-off events. [2021-04-29 04:19:54,237 INFO L130 PetriNetUnfolder]: For 7808/7822 co-relation queries the response was YES. [2021-04-29 04:19:54,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2878 conditions, 350 events. 104/350 cut-off events. For 7808/7822 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2247 event pairs, 0 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 2767. Up to 84 conditions per place. [2021-04-29 04:19:54,246 INFO L146 LiptonReduction]: Number of co-enabled transitions 120 [2021-04-29 04:19:54,260 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:54,260 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:54,261 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100 [2021-04-29 04:19:54,261 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 177 transitions, 3123 flow [2021-04-29 04:19:54,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:54,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:54,262 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:54,476 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-04-29 04:19:54,477 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:54,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:54,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1806138536, now seen corresponding path program 12 times [2021-04-29 04:19:54,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:54,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021557915] [2021-04-29 04:19:54,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:54,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:54,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:54,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:54,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:54,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021557915] [2021-04-29 04:19:54,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704842344] [2021-04-29 04:19:54,522 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:54,546 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 04:19:54,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:54,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:54,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:54,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:54,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:54,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:54,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:54,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:54,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:54,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:54,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:54,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:54,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:54,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:54,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:54,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:54,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:54,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:54,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:54,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:54,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:54,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:54,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:54,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:54,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:54,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:54,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:54,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-04-29 04:19:54,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174571710] [2021-04-29 04:19:54,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:19:54,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:54,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:19:54,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:19:54,624 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:54,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 177 transitions, 3123 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:54,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:54,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:54,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:54,836 INFO L129 PetriNetUnfolder]: 119/379 cut-off events. [2021-04-29 04:19:54,836 INFO L130 PetriNetUnfolder]: For 9129/9129 co-relation queries the response was YES. [2021-04-29 04:19:54,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3451 conditions, 379 events. 119/379 cut-off events. For 9129/9129 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2403 event pairs, 3 based on Foata normal form. 6/385 useless extension candidates. Maximal degree in co-relation 3336. Up to 227 conditions per place. [2021-04-29 04:19:54,842 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 139 selfloop transitions, 57 changer transitions 0/202 dead transitions. [2021-04-29 04:19:54,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 202 transitions, 3940 flow [2021-04-29 04:19:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 04:19:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 04:19:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 178 transitions. [2021-04-29 04:19:54,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6742424242424242 [2021-04-29 04:19:54,844 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 178 transitions. [2021-04-29 04:19:54,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 178 transitions. [2021-04-29 04:19:54,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:54,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 178 transitions. [2021-04-29 04:19:54,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 16.181818181818183) internal successors, (178), 11 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:54,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:54,846 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:54,846 INFO L185 Difference]: Start difference. First operand has 178 places, 177 transitions, 3123 flow. Second operand 11 states and 178 transitions. [2021-04-29 04:19:54,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 202 transitions, 3940 flow [2021-04-29 04:19:54,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 202 transitions, 3803 flow, removed 39 selfloop flow, removed 6 redundant places. [2021-04-29 04:19:54,902 INFO L241 Difference]: Finished difference. Result has 185 places, 193 transitions, 3397 flow [2021-04-29 04:19:54,903 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=2927, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3397, PETRI_PLACES=185, PETRI_TRANSITIONS=193} [2021-04-29 04:19:54,903 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 165 predicate places. [2021-04-29 04:19:54,903 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:54,903 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 193 transitions, 3397 flow [2021-04-29 04:19:54,903 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 193 transitions, 3397 flow [2021-04-29 04:19:54,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 185 places, 193 transitions, 3397 flow [2021-04-29 04:19:54,957 INFO L129 PetriNetUnfolder]: 115/374 cut-off events. [2021-04-29 04:19:54,957 INFO L130 PetriNetUnfolder]: For 7795/7806 co-relation queries the response was YES. [2021-04-29 04:19:54,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3112 conditions, 374 events. 115/374 cut-off events. For 7795/7806 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2361 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 2954. Up to 93 conditions per place. [2021-04-29 04:19:54,963 INFO L146 LiptonReduction]: Number of co-enabled transitions 134 [2021-04-29 04:19:54,978 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:54,978 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:54,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-04-29 04:19:54,979 INFO L480 AbstractCegarLoop]: Abstraction has has 185 places, 193 transitions, 3397 flow [2021-04-29 04:19:54,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:54,979 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:54,979 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:55,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:55,193 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:55,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:55,193 INFO L82 PathProgramCache]: Analyzing trace with hash 372660642, now seen corresponding path program 13 times [2021-04-29 04:19:55,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:55,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236414413] [2021-04-29 04:19:55,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:55,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:55,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:55,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:55,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236414413] [2021-04-29 04:19:55,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298358355] [2021-04-29 04:19:55,226 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:55,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:55,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:55,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:55,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:55,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:55,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:55,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:55,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:55,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:55,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:55,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:55,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:55,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:55,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:55,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:55,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:55,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:55,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:55,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:55,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:55,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:55,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:55,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:55,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:55,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:55,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:55,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:55,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-04-29 04:19:55,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342361871] [2021-04-29 04:19:55,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:19:55,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:55,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:19:55,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:19:55,327 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:55,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 193 transitions, 3397 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:55,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:55,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:55,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:55,546 INFO L129 PetriNetUnfolder]: 117/377 cut-off events. [2021-04-29 04:19:55,546 INFO L130 PetriNetUnfolder]: For 8611/8611 co-relation queries the response was YES. [2021-04-29 04:19:55,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3472 conditions, 377 events. 117/377 cut-off events. For 8611/8611 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2425 event pairs, 0 based on Foata normal form. 2/379 useless extension candidates. Maximal degree in co-relation 3302. Up to 169 conditions per place. [2021-04-29 04:19:55,553 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 139 selfloop transitions, 57 changer transitions 2/204 dead transitions. [2021-04-29 04:19:55,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 204 transitions, 4075 flow [2021-04-29 04:19:55,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 04:19:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 04:19:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 186 transitions. [2021-04-29 04:19:55,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6458333333333334 [2021-04-29 04:19:55,555 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 186 transitions. [2021-04-29 04:19:55,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 186 transitions. [2021-04-29 04:19:55,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:55,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 186 transitions. [2021-04-29 04:19:55,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 15.5) internal successors, (186), 12 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:55,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:55,557 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:55,557 INFO L185 Difference]: Start difference. First operand has 185 places, 193 transitions, 3397 flow. Second operand 12 states and 186 transitions. [2021-04-29 04:19:55,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 204 transitions, 4075 flow [2021-04-29 04:19:55,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 204 transitions, 3965 flow, removed 32 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:55,632 INFO L241 Difference]: Finished difference. Result has 195 places, 194 transitions, 3465 flow [2021-04-29 04:19:55,633 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=3270, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3465, PETRI_PLACES=195, PETRI_TRANSITIONS=194} [2021-04-29 04:19:55,633 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 175 predicate places. [2021-04-29 04:19:55,633 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:55,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 194 transitions, 3465 flow [2021-04-29 04:19:55,633 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 194 transitions, 3465 flow [2021-04-29 04:19:55,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 195 places, 194 transitions, 3465 flow [2021-04-29 04:19:55,705 INFO L129 PetriNetUnfolder]: 113/369 cut-off events. [2021-04-29 04:19:55,705 INFO L130 PetriNetUnfolder]: For 7949/7960 co-relation queries the response was YES. [2021-04-29 04:19:55,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3120 conditions, 369 events. 113/369 cut-off events. For 7949/7960 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2323 event pairs, 0 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 2954. Up to 90 conditions per place. [2021-04-29 04:19:55,716 INFO L146 LiptonReduction]: Number of co-enabled transitions 132 [2021-04-29 04:19:55,732 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:55,732 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:55,732 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99 [2021-04-29 04:19:55,733 INFO L480 AbstractCegarLoop]: Abstraction has has 195 places, 194 transitions, 3465 flow [2021-04-29 04:19:55,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:55,733 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:55,733 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:55,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-04-29 04:19:55,948 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:55,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:55,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1028892520, now seen corresponding path program 14 times [2021-04-29 04:19:55,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:55,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717355265] [2021-04-29 04:19:55,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:55,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:55,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:55,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:55,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:55,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717355265] [2021-04-29 04:19:55,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695043371] [2021-04-29 04:19:55,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:56,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:19:56,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:56,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:56,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:56,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:56,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:56,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:56,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:56,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:56,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:56,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:56,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:56,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:56,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:56,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:56,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:56,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:56,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:56,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:56,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-04-29 04:19:56,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042846336] [2021-04-29 04:19:56,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:19:56,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:56,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:19:56,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:19:56,096 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:56,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 194 transitions, 3465 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:56,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:56,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:56,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:56,389 INFO L129 PetriNetUnfolder]: 132/430 cut-off events. [2021-04-29 04:19:56,390 INFO L130 PetriNetUnfolder]: For 11283/11283 co-relation queries the response was YES. [2021-04-29 04:19:56,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4030 conditions, 430 events. 132/430 cut-off events. For 11283/11283 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2848 event pairs, 0 based on Foata normal form. 7/437 useless extension candidates. Maximal degree in co-relation 3836. Up to 114 conditions per place. [2021-04-29 04:19:56,396 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 96 selfloop transitions, 134 changer transitions 1/237 dead transitions. [2021-04-29 04:19:56,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 237 transitions, 4991 flow [2021-04-29 04:19:56,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 04:19:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 04:19:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 284 transitions. [2021-04-29 04:19:56,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6574074074074074 [2021-04-29 04:19:56,398 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 284 transitions. [2021-04-29 04:19:56,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 284 transitions. [2021-04-29 04:19:56,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:56,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 284 transitions. [2021-04-29 04:19:56,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 15.777777777777779) internal successors, (284), 18 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:56,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:56,403 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:56,403 INFO L185 Difference]: Start difference. First operand has 195 places, 194 transitions, 3465 flow. Second operand 18 states and 284 transitions. [2021-04-29 04:19:56,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 237 transitions, 4991 flow [2021-04-29 04:19:56,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 237 transitions, 4930 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-04-29 04:19:56,474 INFO L241 Difference]: Finished difference. Result has 218 places, 220 transitions, 4561 flow [2021-04-29 04:19:56,475 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=3392, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4561, PETRI_PLACES=218, PETRI_TRANSITIONS=220} [2021-04-29 04:19:56,475 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 198 predicate places. [2021-04-29 04:19:56,475 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:56,475 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 220 transitions, 4561 flow [2021-04-29 04:19:56,475 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 220 transitions, 4561 flow [2021-04-29 04:19:56,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 220 transitions, 4561 flow [2021-04-29 04:19:56,557 INFO L129 PetriNetUnfolder]: 129/419 cut-off events. [2021-04-29 04:19:56,557 INFO L130 PetriNetUnfolder]: For 12928/12941 co-relation queries the response was YES. [2021-04-29 04:19:56,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3966 conditions, 419 events. 129/419 cut-off events. For 12928/12941 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2745 event pairs, 0 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 3766. Up to 110 conditions per place. [2021-04-29 04:19:56,568 INFO L146 LiptonReduction]: Number of co-enabled transitions 144 [2021-04-29 04:19:56,584 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:56,585 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:56,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-04-29 04:19:56,585 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 220 transitions, 4561 flow [2021-04-29 04:19:56,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:56,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:56,586 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:56,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-04-29 04:19:56,796 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:56,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:56,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1061185964, now seen corresponding path program 15 times [2021-04-29 04:19:56,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:56,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155235850] [2021-04-29 04:19:56,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:56,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:56,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:56,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155235850] [2021-04-29 04:19:56,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212541661] [2021-04-29 04:19:56,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:56,853 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 04:19:56,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:56,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:56,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:56,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:56,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:56,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:56,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:56,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:56,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:56,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:56,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:56,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:56,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:56,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:56,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:56,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:56,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:56,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:56,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:19:56,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:56,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:56,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:56,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-04-29 04:19:56,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550231976] [2021-04-29 04:19:56,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:19:56,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:56,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:19:56,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:19:56,923 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:56,924 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 220 transitions, 4561 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:56,924 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:56,924 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:56,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:57,175 INFO L129 PetriNetUnfolder]: 130/420 cut-off events. [2021-04-29 04:19:57,175 INFO L130 PetriNetUnfolder]: For 13768/13768 co-relation queries the response was YES. [2021-04-29 04:19:57,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4331 conditions, 420 events. 130/420 cut-off events. For 13768/13768 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2770 event pairs, 0 based on Foata normal form. 3/423 useless extension candidates. Maximal degree in co-relation 4131. Up to 151 conditions per place. [2021-04-29 04:19:57,182 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 151 selfloop transitions, 84 changer transitions 1/242 dead transitions. [2021-04-29 04:19:57,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 242 transitions, 5771 flow [2021-04-29 04:19:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 04:19:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 04:19:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 237 transitions. [2021-04-29 04:19:57,183 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6583333333333333 [2021-04-29 04:19:57,183 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 237 transitions. [2021-04-29 04:19:57,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 237 transitions. [2021-04-29 04:19:57,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:57,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 237 transitions. [2021-04-29 04:19:57,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 15.8) internal successors, (237), 15 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,187 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,187 INFO L185 Difference]: Start difference. First operand has 217 places, 220 transitions, 4561 flow. Second operand 15 states and 237 transitions. [2021-04-29 04:19:57,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 242 transitions, 5771 flow [2021-04-29 04:19:57,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 242 transitions, 5309 flow, removed 202 selfloop flow, removed 7 redundant places. [2021-04-29 04:19:57,278 INFO L241 Difference]: Finished difference. Result has 225 places, 225 transitions, 4619 flow [2021-04-29 04:19:57,278 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=4138, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4619, PETRI_PLACES=225, PETRI_TRANSITIONS=225} [2021-04-29 04:19:57,278 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 205 predicate places. [2021-04-29 04:19:57,278 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:57,278 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 225 transitions, 4619 flow [2021-04-29 04:19:57,279 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 225 transitions, 4619 flow [2021-04-29 04:19:57,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 225 transitions, 4619 flow [2021-04-29 04:19:57,335 INFO L129 PetriNetUnfolder]: 128/416 cut-off events. [2021-04-29 04:19:57,336 INFO L130 PetriNetUnfolder]: For 11711/11719 co-relation queries the response was YES. [2021-04-29 04:19:57,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3859 conditions, 416 events. 128/416 cut-off events. For 11711/11719 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2739 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 3690. Up to 107 conditions per place. [2021-04-29 04:19:57,346 INFO L146 LiptonReduction]: Number of co-enabled transitions 146 [2021-04-29 04:19:57,365 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:57,365 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:57,366 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-04-29 04:19:57,366 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 225 transitions, 4619 flow [2021-04-29 04:19:57,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,366 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:57,367 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:57,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-04-29 04:19:57,579 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:57,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:57,580 INFO L82 PathProgramCache]: Analyzing trace with hash 697318690, now seen corresponding path program 16 times [2021-04-29 04:19:57,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:57,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449407606] [2021-04-29 04:19:57,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:57,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:57,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:57,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:57,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449407606] [2021-04-29 04:19:57,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836246302] [2021-04-29 04:19:57,611 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:57,633 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:19:57,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:57,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:19:57,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:57,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:57,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:57,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:57,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:57,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:57,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:57,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:57,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:57,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:57,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:57,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:57,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:57,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:57,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:19:57,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:57,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:57,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:57,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:19:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:57,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:57,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:57,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:19:57,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:57,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:57,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:19:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:57,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:57,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-04-29 04:19:57,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538361848] [2021-04-29 04:19:57,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:19:57,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:57,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:19:57,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:19:57,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:19:57,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 225 transitions, 4619 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:57,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:19:57,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:57,942 INFO L129 PetriNetUnfolder]: 126/410 cut-off events. [2021-04-29 04:19:57,943 INFO L130 PetriNetUnfolder]: For 12785/12785 co-relation queries the response was YES. [2021-04-29 04:19:57,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4182 conditions, 410 events. 126/410 cut-off events. For 12785/12785 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2679 event pairs, 2 based on Foata normal form. 8/418 useless extension candidates. Maximal degree in co-relation 4048. Up to 161 conditions per place. [2021-04-29 04:19:57,952 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 127 selfloop transitions, 100 changer transitions 0/233 dead transitions. [2021-04-29 04:19:57,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 233 transitions, 5345 flow [2021-04-29 04:19:57,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 04:19:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 04:19:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 193 transitions. [2021-04-29 04:19:57,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6701388888888888 [2021-04-29 04:19:57,954 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 193 transitions. [2021-04-29 04:19:57,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 193 transitions. [2021-04-29 04:19:57,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:57,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 193 transitions. [2021-04-29 04:19:57,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 16.083333333333332) internal successors, (193), 12 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,956 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:57,956 INFO L185 Difference]: Start difference. First operand has 223 places, 225 transitions, 4619 flow. Second operand 12 states and 193 transitions. [2021-04-29 04:19:57,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 233 transitions, 5345 flow [2021-04-29 04:19:58,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 233 transitions, 5068 flow, removed 80 selfloop flow, removed 10 redundant places. [2021-04-29 04:19:58,066 INFO L241 Difference]: Finished difference. Result has 225 places, 220 transitions, 4559 flow [2021-04-29 04:19:58,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=4193, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4559, PETRI_PLACES=225, PETRI_TRANSITIONS=220} [2021-04-29 04:19:58,067 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 205 predicate places. [2021-04-29 04:19:58,067 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:58,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 220 transitions, 4559 flow [2021-04-29 04:19:58,067 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 220 transitions, 4559 flow [2021-04-29 04:19:58,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 220 transitions, 4559 flow [2021-04-29 04:19:58,143 INFO L129 PetriNetUnfolder]: 124/404 cut-off events. [2021-04-29 04:19:58,143 INFO L130 PetriNetUnfolder]: For 10685/10695 co-relation queries the response was YES. [2021-04-29 04:19:58,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3821 conditions, 404 events. 124/404 cut-off events. For 10685/10695 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2629 event pairs, 0 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 3672. Up to 103 conditions per place. [2021-04-29 04:19:58,150 INFO L146 LiptonReduction]: Number of co-enabled transitions 148 [2021-04-29 04:19:58,164 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:58,164 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:58,164 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 97 [2021-04-29 04:19:58,165 INFO L480 AbstractCegarLoop]: Abstraction has has 225 places, 220 transitions, 4559 flow [2021-04-29 04:19:58,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:58,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:58,166 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:58,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-04-29 04:19:58,366 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:58,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:58,367 INFO L82 PathProgramCache]: Analyzing trace with hash 606839598, now seen corresponding path program 4 times [2021-04-29 04:19:58,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:58,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269611281] [2021-04-29 04:19:58,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:58,393 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:19:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:58,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:58,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:58,443 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-04-29 04:19:58,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:58,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269611281] [2021-04-29 04:19:58,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098769841] [2021-04-29 04:19:58,466 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:58,492 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:19:58,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:19:58,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:19:58,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:58,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:58,506 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:19:58,507 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:19:58,507 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:19:58,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:58,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:58,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:58,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:58,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:58,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:58,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:19:58,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:58,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:58,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:58,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:58,549 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:19:58,550 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:58,551 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:58,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:58,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:58,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:58,563 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 04:19:58,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:58,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:58,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:58,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:58,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:58,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:58,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:58,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:19:58,575 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:19:58,576 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:19:58,577 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:58,579 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-04-29 04:19:58,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:58,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:58,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:58,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-04-29 04:19:58,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218243213] [2021-04-29 04:19:58,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:19:58,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:58,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:19:58,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:19:58,607 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:19:58,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 220 transitions, 4559 flow. Second operand has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:58,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:58,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:19:58,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:58,981 INFO L129 PetriNetUnfolder]: 143/477 cut-off events. [2021-04-29 04:19:58,981 INFO L130 PetriNetUnfolder]: For 14966/14966 co-relation queries the response was YES. [2021-04-29 04:19:58,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5041 conditions, 477 events. 143/477 cut-off events. For 14966/14966 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3339 event pairs, 2 based on Foata normal form. 3/480 useless extension candidates. Maximal degree in co-relation 4863. Up to 329 conditions per place. [2021-04-29 04:19:58,992 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 210 selfloop transitions, 36 changer transitions 2/259 dead transitions. [2021-04-29 04:19:58,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 259 transitions, 6124 flow [2021-04-29 04:19:58,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 04:19:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 04:19:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 182 transitions. [2021-04-29 04:19:58,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6319444444444444 [2021-04-29 04:19:58,994 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 182 transitions. [2021-04-29 04:19:58,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 182 transitions. [2021-04-29 04:19:58,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:58,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 182 transitions. [2021-04-29 04:19:58,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:58,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:58,996 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:58,996 INFO L185 Difference]: Start difference. First operand has 225 places, 220 transitions, 4559 flow. Second operand 12 states and 182 transitions. [2021-04-29 04:19:58,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 259 transitions, 6124 flow [2021-04-29 04:19:59,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 259 transitions, 5910 flow, removed 13 selfloop flow, removed 10 redundant places. [2021-04-29 04:19:59,098 INFO L241 Difference]: Finished difference. Result has 233 places, 247 transitions, 5240 flow [2021-04-29 04:19:59,098 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=4355, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5240, PETRI_PLACES=233, PETRI_TRANSITIONS=247} [2021-04-29 04:19:59,099 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 213 predicate places. [2021-04-29 04:19:59,099 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:19:59,099 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 233 places, 247 transitions, 5240 flow [2021-04-29 04:19:59,099 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 233 places, 247 transitions, 5240 flow [2021-04-29 04:19:59,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 231 places, 247 transitions, 5240 flow [2021-04-29 04:19:59,177 INFO L129 PetriNetUnfolder]: 139/460 cut-off events. [2021-04-29 04:19:59,177 INFO L130 PetriNetUnfolder]: For 13566/13581 co-relation queries the response was YES. [2021-04-29 04:19:59,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4568 conditions, 460 events. 139/460 cut-off events. For 13566/13581 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3149 event pairs, 0 based on Foata normal form. 0/460 useless extension candidates. Maximal degree in co-relation 4412. Up to 123 conditions per place. [2021-04-29 04:19:59,184 INFO L146 LiptonReduction]: Number of co-enabled transitions 166 [2021-04-29 04:19:59,206 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:19:59,206 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:19:59,206 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-04-29 04:19:59,207 INFO L480 AbstractCegarLoop]: Abstraction has has 231 places, 247 transitions, 5240 flow [2021-04-29 04:19:59,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:59,207 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:19:59,207 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:19:59,415 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-04-29 04:19:59,415 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:19:59,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:19:59,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1949011024, now seen corresponding path program 5 times [2021-04-29 04:19:59,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:19:59,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447506186] [2021-04-29 04:19:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:19:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:19:59,447 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:19:59,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:19:59,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:59,474 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-04-29 04:19:59,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 04:19:59,504 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:19:59,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:19:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:59,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447506186] [2021-04-29 04:19:59,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687003950] [2021-04-29 04:19:59,525 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:19:59,556 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:19:59,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:19:59,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:19:59,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:19:59,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,571 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:19:59,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:59,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:59,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:59,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:59,586 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:19:59,589 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:19:59,590 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:19:59,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:59,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:59,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:19:59,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:59,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:59,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:59,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:19:59,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:19:59,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:59,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:19:59,620 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:19:59,621 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:59,623 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:59,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:59,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:59,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:19:59,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:19:59,640 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:19:59,641 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:19:59,642 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:19:59,645 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:19:59,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:19:59,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:19:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:19:59,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:19:59,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-04-29 04:19:59,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123608961] [2021-04-29 04:19:59,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 04:19:59,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:19:59,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 04:19:59,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-04-29 04:19:59,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:19:59,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 247 transitions, 5240 flow. Second operand has 12 states, 12 states have (on average 13.25) internal successors, (159), 12 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:59,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:19:59,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:19:59,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:00,058 INFO L129 PetriNetUnfolder]: 152/506 cut-off events. [2021-04-29 04:20:00,058 INFO L130 PetriNetUnfolder]: For 17320/17320 co-relation queries the response was YES. [2021-04-29 04:20:00,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5538 conditions, 506 events. 152/506 cut-off events. For 17320/17320 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3594 event pairs, 5 based on Foata normal form. 2/508 useless extension candidates. Maximal degree in co-relation 5331. Up to 345 conditions per place. [2021-04-29 04:20:00,076 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 208 selfloop transitions, 49 changer transitions 2/270 dead transitions. [2021-04-29 04:20:00,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 270 transitions, 6392 flow [2021-04-29 04:20:00,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:20:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:20:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 154 transitions. [2021-04-29 04:20:00,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6416666666666667 [2021-04-29 04:20:00,078 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 154 transitions. [2021-04-29 04:20:00,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 154 transitions. [2021-04-29 04:20:00,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:00,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 154 transitions. [2021-04-29 04:20:00,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 15.4) internal successors, (154), 10 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:00,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:00,079 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:00,079 INFO L185 Difference]: Start difference. First operand has 231 places, 247 transitions, 5240 flow. Second operand 10 states and 154 transitions. [2021-04-29 04:20:00,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 270 transitions, 6392 flow [2021-04-29 04:20:00,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 270 transitions, 5976 flow, removed 208 selfloop flow, removed 2 redundant places. [2021-04-29 04:20:00,192 INFO L241 Difference]: Finished difference. Result has 245 places, 259 transitions, 5403 flow [2021-04-29 04:20:00,192 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=4864, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5403, PETRI_PLACES=245, PETRI_TRANSITIONS=259} [2021-04-29 04:20:00,193 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 225 predicate places. [2021-04-29 04:20:00,193 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:00,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 259 transitions, 5403 flow [2021-04-29 04:20:00,193 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 259 transitions, 5403 flow [2021-04-29 04:20:00,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 259 transitions, 5403 flow [2021-04-29 04:20:00,278 INFO L129 PetriNetUnfolder]: 147/490 cut-off events. [2021-04-29 04:20:00,279 INFO L130 PetriNetUnfolder]: For 15202/15224 co-relation queries the response was YES. [2021-04-29 04:20:00,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4779 conditions, 490 events. 147/490 cut-off events. For 15202/15224 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3429 event pairs, 0 based on Foata normal form. 0/490 useless extension candidates. Maximal degree in co-relation 4613. Up to 123 conditions per place. [2021-04-29 04:20:00,291 INFO L146 LiptonReduction]: Number of co-enabled transitions 172 [2021-04-29 04:20:00,314 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:00,315 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:00,315 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122 [2021-04-29 04:20:00,315 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 259 transitions, 5403 flow [2021-04-29 04:20:00,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 13.25) internal successors, (159), 12 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:00,315 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:00,316 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:00,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:00,529 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:00,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:00,530 INFO L82 PathProgramCache]: Analyzing trace with hash 2088641626, now seen corresponding path program 17 times [2021-04-29 04:20:00,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:00,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274743208] [2021-04-29 04:20:00,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:00,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:00,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:00,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:00,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:00,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:00,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:00,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274743208] [2021-04-29 04:20:00,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749333487] [2021-04-29 04:20:00,569 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:00,592 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:20:00,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:00,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:20:00,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:00,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:00,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:00,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:00,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:00,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:00,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:00,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:00,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:00,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:00,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:00,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:00,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:00,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:00,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:00,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:00,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:00,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:00,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:00,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:00,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:00,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:00,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:00,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:00,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:00,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:00,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:00,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-04-29 04:20:00,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548751588] [2021-04-29 04:20:00,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:00,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:00,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:00,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:00,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:00,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 259 transitions, 5403 flow. Second operand has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:00,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:00,687 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:00,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:01,020 INFO L129 PetriNetUnfolder]: 168/554 cut-off events. [2021-04-29 04:20:01,021 INFO L130 PetriNetUnfolder]: For 21712/21712 co-relation queries the response was YES. [2021-04-29 04:20:01,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6046 conditions, 554 events. 168/554 cut-off events. For 21712/21712 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 3989 event pairs, 6 based on Foata normal form. 16/570 useless extension candidates. Maximal degree in co-relation 5874. Up to 329 conditions per place. [2021-04-29 04:20:01,027 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 229 selfloop transitions, 57 changer transitions 0/292 dead transitions. [2021-04-29 04:20:01,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 292 transitions, 7025 flow [2021-04-29 04:20:01,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 04:20:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 04:20:01,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 215 transitions. [2021-04-29 04:20:01,029 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6891025641025641 [2021-04-29 04:20:01,029 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 215 transitions. [2021-04-29 04:20:01,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 215 transitions. [2021-04-29 04:20:01,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:01,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 215 transitions. [2021-04-29 04:20:01,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 16.53846153846154) internal successors, (215), 13 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:01,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:01,031 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:01,031 INFO L185 Difference]: Start difference. First operand has 243 places, 259 transitions, 5403 flow. Second operand 13 states and 215 transitions. [2021-04-29 04:20:01,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 292 transitions, 7025 flow [2021-04-29 04:20:01,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 292 transitions, 6755 flow, removed 89 selfloop flow, removed 11 redundant places. [2021-04-29 04:20:01,160 INFO L241 Difference]: Finished difference. Result has 251 places, 280 transitions, 5959 flow [2021-04-29 04:20:01,160 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=5087, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5959, PETRI_PLACES=251, PETRI_TRANSITIONS=280} [2021-04-29 04:20:01,160 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 231 predicate places. [2021-04-29 04:20:01,160 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:01,161 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 280 transitions, 5959 flow [2021-04-29 04:20:01,161 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 280 transitions, 5959 flow [2021-04-29 04:20:01,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 251 places, 280 transitions, 5959 flow [2021-04-29 04:20:01,258 INFO L129 PetriNetUnfolder]: 165/550 cut-off events. [2021-04-29 04:20:01,258 INFO L130 PetriNetUnfolder]: For 21089/21103 co-relation queries the response was YES. [2021-04-29 04:20:01,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5579 conditions, 550 events. 165/550 cut-off events. For 21089/21103 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3961 event pairs, 3 based on Foata normal form. 0/550 useless extension candidates. Maximal degree in co-relation 5422. Up to 142 conditions per place. [2021-04-29 04:20:01,268 INFO L146 LiptonReduction]: Number of co-enabled transitions 180 [2021-04-29 04:20:01,286 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:01,287 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:01,287 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127 [2021-04-29 04:20:01,287 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 280 transitions, 5959 flow [2021-04-29 04:20:01,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:01,287 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:01,288 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:01,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-04-29 04:20:01,501 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:01,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:01,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1948117294, now seen corresponding path program 6 times [2021-04-29 04:20:01,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:01,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998238613] [2021-04-29 04:20:01,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:01,521 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:01,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:01,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:01,548 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-04-29 04:20:01,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 04:20:01,577 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:20:01,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:01,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998238613] [2021-04-29 04:20:01,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573315091] [2021-04-29 04:20:01,601 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:01,624 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 04:20:01,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:01,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:01,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:01,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,638 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:01,639 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-04-29 04:20:01,639 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-04-29 04:20:01,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:01,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:01,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:01,653 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 04:20:01,654 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:20:01,654 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:20:01,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:01,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:01,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:01,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:01,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:01,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:20:01,685 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:20:01,685 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:01,686 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:01,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:01,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:01,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:01,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:01,701 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:20:01,702 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:01,703 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:01,704 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:20:01,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:01,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:01,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:01,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-04-29 04:20:01,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870109946] [2021-04-29 04:20:01,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 04:20:01,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:01,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 04:20:01,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-04-29 04:20:01,730 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:01,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 280 transitions, 5959 flow. Second operand has 12 states, 12 states have (on average 13.25) internal successors, (159), 12 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:01,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:01,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:01,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:02,047 INFO L129 PetriNetUnfolder]: 168/554 cut-off events. [2021-04-29 04:20:02,047 INFO L130 PetriNetUnfolder]: For 22007/22007 co-relation queries the response was YES. [2021-04-29 04:20:02,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6111 conditions, 554 events. 168/554 cut-off events. For 22007/22007 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4003 event pairs, 6 based on Foata normal form. 1/555 useless extension candidates. Maximal degree in co-relation 5943. Up to 386 conditions per place. [2021-04-29 04:20:02,054 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 227 selfloop transitions, 50 changer transitions 1/289 dead transitions. [2021-04-29 04:20:02,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 289 transitions, 6742 flow [2021-04-29 04:20:02,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:20:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:20:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 139 transitions. [2021-04-29 04:20:02,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6435185185185185 [2021-04-29 04:20:02,056 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 139 transitions. [2021-04-29 04:20:02,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 139 transitions. [2021-04-29 04:20:02,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:02,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 139 transitions. [2021-04-29 04:20:02,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:02,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 24.0) internal successors, (240), 10 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:02,057 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 24.0) internal successors, (240), 10 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:02,057 INFO L185 Difference]: Start difference. First operand has 251 places, 280 transitions, 5959 flow. Second operand 9 states and 139 transitions. [2021-04-29 04:20:02,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 289 transitions, 6742 flow [2021-04-29 04:20:02,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 289 transitions, 6232 flow, removed 225 selfloop flow, removed 7 redundant places. [2021-04-29 04:20:02,186 INFO L241 Difference]: Finished difference. Result has 255 places, 281 transitions, 5628 flow [2021-04-29 04:20:02,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=5453, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5628, PETRI_PLACES=255, PETRI_TRANSITIONS=281} [2021-04-29 04:20:02,186 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 235 predicate places. [2021-04-29 04:20:02,186 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:02,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 255 places, 281 transitions, 5628 flow [2021-04-29 04:20:02,187 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 255 places, 281 transitions, 5628 flow [2021-04-29 04:20:02,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 281 transitions, 5628 flow [2021-04-29 04:20:02,279 INFO L129 PetriNetUnfolder]: 165/543 cut-off events. [2021-04-29 04:20:02,279 INFO L130 PetriNetUnfolder]: For 19535/19544 co-relation queries the response was YES. [2021-04-29 04:20:02,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5341 conditions, 543 events. 165/543 cut-off events. For 19535/19544 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3882 event pairs, 3 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 5177. Up to 140 conditions per place. [2021-04-29 04:20:02,289 INFO L146 LiptonReduction]: Number of co-enabled transitions 182 [2021-04-29 04:20:02,306 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:02,306 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:02,306 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 120 [2021-04-29 04:20:02,306 INFO L480 AbstractCegarLoop]: Abstraction has has 254 places, 281 transitions, 5628 flow [2021-04-29 04:20:02,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 13.25) internal successors, (159), 12 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:02,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:02,307 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:02,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-04-29 04:20:02,515 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:02,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:02,515 INFO L82 PathProgramCache]: Analyzing trace with hash -2096605602, now seen corresponding path program 7 times [2021-04-29 04:20:02,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:02,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27370631] [2021-04-29 04:20:02,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:02,550 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:02,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:02,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:02,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:02,609 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:20:02,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:02,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:02,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27370631] [2021-04-29 04:20:02,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70150832] [2021-04-29 04:20:02,636 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:02,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:02,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:02,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,674 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:02,675 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-04-29 04:20:02,675 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-04-29 04:20:02,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:02,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:02,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:02,690 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 04:20:02,691 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:20:02,692 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:20:02,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:02,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:02,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:02,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:02,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:02,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:02,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:02,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:20:02,710 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 04:20:02,710 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:02,711 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:02,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:02,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:02,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:02,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:02,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:02,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:02,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:02,744 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:20:02,748 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:02,749 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:02,750 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:20:02,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:02,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:02,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:02,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2021-04-29 04:20:02,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145769458] [2021-04-29 04:20:02,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:02,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:02,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:02,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:02,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:02,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 281 transitions, 5628 flow. Second operand has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 11 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:02,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:02,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:02,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:03,129 INFO L129 PetriNetUnfolder]: 168/549 cut-off events. [2021-04-29 04:20:03,129 INFO L130 PetriNetUnfolder]: For 20562/20562 co-relation queries the response was YES. [2021-04-29 04:20:03,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5869 conditions, 549 events. 168/549 cut-off events. For 20562/20562 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 3933 event pairs, 5 based on Foata normal form. 1/550 useless extension candidates. Maximal degree in co-relation 5670. Up to 395 conditions per place. [2021-04-29 04:20:03,139 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 238 selfloop transitions, 40 changer transitions 1/290 dead transitions. [2021-04-29 04:20:03,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 290 transitions, 6470 flow [2021-04-29 04:20:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:20:03,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:20:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 136 transitions. [2021-04-29 04:20:03,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6296296296296297 [2021-04-29 04:20:03,140 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 136 transitions. [2021-04-29 04:20:03,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 136 transitions. [2021-04-29 04:20:03,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:03,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 136 transitions. [2021-04-29 04:20:03,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:03,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 24.0) internal successors, (240), 10 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:03,142 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 24.0) internal successors, (240), 10 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:03,142 INFO L185 Difference]: Start difference. First operand has 254 places, 281 transitions, 5628 flow. Second operand 9 states and 136 transitions. [2021-04-29 04:20:03,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 290 transitions, 6470 flow [2021-04-29 04:20:03,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 290 transitions, 6321 flow, removed 46 selfloop flow, removed 4 redundant places. [2021-04-29 04:20:03,270 INFO L241 Difference]: Finished difference. Result has 261 places, 284 transitions, 5718 flow [2021-04-29 04:20:03,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=5522, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5718, PETRI_PLACES=261, PETRI_TRANSITIONS=284} [2021-04-29 04:20:03,271 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 241 predicate places. [2021-04-29 04:20:03,271 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:03,271 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 284 transitions, 5718 flow [2021-04-29 04:20:03,271 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 284 transitions, 5718 flow [2021-04-29 04:20:03,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 260 places, 284 transitions, 5718 flow [2021-04-29 04:20:03,360 INFO L129 PetriNetUnfolder]: 165/542 cut-off events. [2021-04-29 04:20:03,360 INFO L130 PetriNetUnfolder]: For 19111/19124 co-relation queries the response was YES. [2021-04-29 04:20:03,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5326 conditions, 542 events. 165/542 cut-off events. For 19111/19124 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3862 event pairs, 3 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 5174. Up to 139 conditions per place. [2021-04-29 04:20:03,374 INFO L146 LiptonReduction]: Number of co-enabled transitions 180 [2021-04-29 04:20:03,399 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:03,400 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:03,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129 [2021-04-29 04:20:03,400 INFO L480 AbstractCegarLoop]: Abstraction has has 260 places, 284 transitions, 5718 flow [2021-04-29 04:20:03,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 11 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:03,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:03,401 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:03,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-04-29 04:20:03,616 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:03,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:03,616 INFO L82 PathProgramCache]: Analyzing trace with hash -252629578, now seen corresponding path program 8 times [2021-04-29 04:20:03,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:03,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095880245] [2021-04-29 04:20:03,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:03,641 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:03,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:03,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:03,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:03,687 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:20:03,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:03,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095880245] [2021-04-29 04:20:03,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435792453] [2021-04-29 04:20:03,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:03,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:20:03,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:03,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:03,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:03,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:03,750 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:03,751 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-04-29 04:20:03,751 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-04-29 04:20:03,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:03,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:03,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:03,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:03,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:03,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:03,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:03,775 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:20:03,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:03,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:03,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:03,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:03,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:03,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:03,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:03,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:20:03,782 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 04:20:03,783 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:03,785 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:03,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:03,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:03,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:03,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:03,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:03,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:03,817 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:20:03,817 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:03,818 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:03,820 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:20:03,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:03,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:03,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:03,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-04-29 04:20:03,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450586417] [2021-04-29 04:20:03,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:03,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:03,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:03,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:03,850 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:03,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 284 transitions, 5718 flow. Second operand has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:03,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:03,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:03,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:04,209 INFO L129 PetriNetUnfolder]: 174/568 cut-off events. [2021-04-29 04:20:04,209 INFO L130 PetriNetUnfolder]: For 22277/22277 co-relation queries the response was YES. [2021-04-29 04:20:04,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6137 conditions, 568 events. 174/568 cut-off events. For 22277/22277 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4118 event pairs, 5 based on Foata normal form. 1/569 useless extension candidates. Maximal degree in co-relation 5960. Up to 398 conditions per place. [2021-04-29 04:20:04,216 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 249 selfloop transitions, 43 changer transitions 1/304 dead transitions. [2021-04-29 04:20:04,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 304 transitions, 6922 flow [2021-04-29 04:20:04,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 04:20:04,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 04:20:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 169 transitions. [2021-04-29 04:20:04,218 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6401515151515151 [2021-04-29 04:20:04,218 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 169 transitions. [2021-04-29 04:20:04,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 169 transitions. [2021-04-29 04:20:04,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:04,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 169 transitions. [2021-04-29 04:20:04,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:04,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:04,220 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:04,220 INFO L185 Difference]: Start difference. First operand has 260 places, 284 transitions, 5718 flow. Second operand 11 states and 169 transitions. [2021-04-29 04:20:04,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 304 transitions, 6922 flow [2021-04-29 04:20:04,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 304 transitions, 6775 flow, removed 39 selfloop flow, removed 6 redundant places. [2021-04-29 04:20:04,361 INFO L241 Difference]: Finished difference. Result has 268 places, 294 transitions, 6029 flow [2021-04-29 04:20:04,362 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=5579, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6029, PETRI_PLACES=268, PETRI_TRANSITIONS=294} [2021-04-29 04:20:04,362 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 248 predicate places. [2021-04-29 04:20:04,362 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:04,362 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 268 places, 294 transitions, 6029 flow [2021-04-29 04:20:04,362 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 268 places, 294 transitions, 6029 flow [2021-04-29 04:20:04,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 267 places, 294 transitions, 6029 flow [2021-04-29 04:20:04,449 INFO L129 PetriNetUnfolder]: 171/555 cut-off events. [2021-04-29 04:20:04,450 INFO L130 PetriNetUnfolder]: For 21811/21820 co-relation queries the response was YES. [2021-04-29 04:20:04,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5594 conditions, 555 events. 171/555 cut-off events. For 21811/21820 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3935 event pairs, 4 based on Foata normal form. 0/555 useless extension candidates. Maximal degree in co-relation 5425. Up to 144 conditions per place. [2021-04-29 04:20:04,463 INFO L146 LiptonReduction]: Number of co-enabled transitions 184 [2021-04-29 04:20:04,483 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:04,483 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:04,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 121 [2021-04-29 04:20:04,484 INFO L480 AbstractCegarLoop]: Abstraction has has 267 places, 294 transitions, 6029 flow [2021-04-29 04:20:04,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:04,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:04,484 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:04,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-04-29 04:20:04,685 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:04,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:04,686 INFO L82 PathProgramCache]: Analyzing trace with hash -584203408, now seen corresponding path program 9 times [2021-04-29 04:20:04,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:04,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671826332] [2021-04-29 04:20:04,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:04,710 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:04,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:04,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:04,750 INFO L142 QuantifierPusher]: treesize reduction 15, result has 85.7 percent of original size [2021-04-29 04:20:04,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-29 04:20:04,790 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-04-29 04:20:04,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:04,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:04,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671826332] [2021-04-29 04:20:04,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475623430] [2021-04-29 04:20:04,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:20:04,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:20:04,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:04,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:04,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:04,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,862 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:04,868 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-04-29 04:20:04,869 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-04-29 04:20:04,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:04,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:04,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:04,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:04,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:04,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:04,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:04,897 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:20:04,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:04,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:04,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:04,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:04,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:04,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:04,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:20:04,908 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:20:04,908 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:04,910 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:04,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:04,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:04,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:04,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:20:04,925 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:20:04,926 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:20:04,926 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:04,928 INFO L142 QuantifierPusher]: treesize reduction 21, result has 55.3 percent of original size [2021-04-29 04:20:04,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:04,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:04,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:04,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-04-29 04:20:04,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357998644] [2021-04-29 04:20:04,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:04,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:04,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:04,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:04,954 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:04,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 294 transitions, 6029 flow. Second operand has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:04,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:04,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:04,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:05,310 INFO L129 PetriNetUnfolder]: 177/578 cut-off events. [2021-04-29 04:20:05,310 INFO L130 PetriNetUnfolder]: For 24462/24462 co-relation queries the response was YES. [2021-04-29 04:20:05,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6336 conditions, 578 events. 177/578 cut-off events. For 24462/24462 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4200 event pairs, 7 based on Foata normal form. 1/579 useless extension candidates. Maximal degree in co-relation 6154. Up to 398 conditions per place. [2021-04-29 04:20:05,318 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 251 selfloop transitions, 45 changer transitions 1/308 dead transitions. [2021-04-29 04:20:05,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 308 transitions, 7085 flow [2021-04-29 04:20:05,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:20:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:20:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 157 transitions. [2021-04-29 04:20:05,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6541666666666667 [2021-04-29 04:20:05,322 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 157 transitions. [2021-04-29 04:20:05,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 157 transitions. [2021-04-29 04:20:05,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:05,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 157 transitions. [2021-04-29 04:20:05,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 15.7) internal successors, (157), 10 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:05,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:05,324 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:05,324 INFO L185 Difference]: Start difference. First operand has 267 places, 294 transitions, 6029 flow. Second operand 10 states and 157 transitions. [2021-04-29 04:20:05,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 308 transitions, 7085 flow [2021-04-29 04:20:05,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 308 transitions, 6841 flow, removed 99 selfloop flow, removed 6 redundant places. [2021-04-29 04:20:05,548 INFO L241 Difference]: Finished difference. Result has 273 places, 299 transitions, 6118 flow [2021-04-29 04:20:05,549 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=5793, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6118, PETRI_PLACES=273, PETRI_TRANSITIONS=299} [2021-04-29 04:20:05,550 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 253 predicate places. [2021-04-29 04:20:05,550 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:05,550 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 299 transitions, 6118 flow [2021-04-29 04:20:05,550 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 299 transitions, 6118 flow [2021-04-29 04:20:05,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 272 places, 299 transitions, 6118 flow [2021-04-29 04:20:05,669 INFO L129 PetriNetUnfolder]: 174/566 cut-off events. [2021-04-29 04:20:05,669 INFO L130 PetriNetUnfolder]: For 22998/23011 co-relation queries the response was YES. [2021-04-29 04:20:05,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5757 conditions, 566 events. 174/566 cut-off events. For 22998/23011 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4059 event pairs, 4 based on Foata normal form. 0/566 useless extension candidates. Maximal degree in co-relation 5583. Up to 141 conditions per place. [2021-04-29 04:20:05,678 INFO L146 LiptonReduction]: Number of co-enabled transitions 186 [2021-04-29 04:20:05,697 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:05,697 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:05,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 147 [2021-04-29 04:20:05,698 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 299 transitions, 6118 flow [2021-04-29 04:20:05,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:05,698 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:05,698 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:05,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:05,914 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:05,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:05,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1343689054, now seen corresponding path program 18 times [2021-04-29 04:20:05,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:05,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031732115] [2021-04-29 04:20:05,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:05,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:05,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:05,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:05,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:05,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:05,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:05,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031732115] [2021-04-29 04:20:05,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244489449] [2021-04-29 04:20:05,941 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:05,962 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:20:05,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:05,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:20:05,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:05,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:05,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:05,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:05,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:05,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:05,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:05,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:05,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:05,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:05,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:05,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:05,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:05,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:05,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:05,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:05,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:06,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:06,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:06,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:06,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:06,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:06,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:06,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:06,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:06,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:06,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:06,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:06,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:06,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:06,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:06,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:06,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:06,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:06,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:06,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:06,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:06,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:06,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:06,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:06,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-04-29 04:20:06,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037995207] [2021-04-29 04:20:06,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:20:06,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:06,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:20:06,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:20:06,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:06,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 299 transitions, 6118 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:06,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:06,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:06,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:06,323 INFO L129 PetriNetUnfolder]: 191/631 cut-off events. [2021-04-29 04:20:06,324 INFO L130 PetriNetUnfolder]: For 32241/32241 co-relation queries the response was YES. [2021-04-29 04:20:06,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7168 conditions, 631 events. 191/631 cut-off events. For 32241/32241 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4732 event pairs, 9 based on Foata normal form. 6/637 useless extension candidates. Maximal degree in co-relation 7002. Up to 340 conditions per place. [2021-04-29 04:20:06,334 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 248 selfloop transitions, 79 changer transitions 0/333 dead transitions. [2021-04-29 04:20:06,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 333 transitions, 7957 flow [2021-04-29 04:20:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:20:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:20:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 165 transitions. [2021-04-29 04:20:06,337 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6875 [2021-04-29 04:20:06,337 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 165 transitions. [2021-04-29 04:20:06,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 165 transitions. [2021-04-29 04:20:06,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:06,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 165 transitions. [2021-04-29 04:20:06,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 16.5) internal successors, (165), 10 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:06,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:06,339 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:06,339 INFO L185 Difference]: Start difference. First operand has 272 places, 299 transitions, 6118 flow. Second operand 10 states and 165 transitions. [2021-04-29 04:20:06,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 333 transitions, 7957 flow [2021-04-29 04:20:06,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 333 transitions, 7691 flow, removed 93 selfloop flow, removed 7 redundant places. [2021-04-29 04:20:06,584 INFO L241 Difference]: Finished difference. Result has 278 places, 318 transitions, 6811 flow [2021-04-29 04:20:06,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=5816, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6811, PETRI_PLACES=278, PETRI_TRANSITIONS=318} [2021-04-29 04:20:06,584 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 258 predicate places. [2021-04-29 04:20:06,584 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:06,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 278 places, 318 transitions, 6811 flow [2021-04-29 04:20:06,585 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 278 places, 318 transitions, 6811 flow [2021-04-29 04:20:06,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 278 places, 318 transitions, 6811 flow [2021-04-29 04:20:06,685 INFO L129 PetriNetUnfolder]: 189/627 cut-off events. [2021-04-29 04:20:06,685 INFO L130 PetriNetUnfolder]: For 29392/29402 co-relation queries the response was YES. [2021-04-29 04:20:06,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6635 conditions, 627 events. 189/627 cut-off events. For 29392/29402 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 4692 event pairs, 7 based on Foata normal form. 0/627 useless extension candidates. Maximal degree in co-relation 6471. Up to 162 conditions per place. [2021-04-29 04:20:06,696 INFO L146 LiptonReduction]: Number of co-enabled transitions 192 [2021-04-29 04:20:06,717 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:06,717 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:06,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 133 [2021-04-29 04:20:06,717 INFO L480 AbstractCegarLoop]: Abstraction has has 278 places, 318 transitions, 6811 flow [2021-04-29 04:20:06,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:06,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:06,718 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:06,928 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-04-29 04:20:06,928 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:06,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:06,929 INFO L82 PathProgramCache]: Analyzing trace with hash -585097138, now seen corresponding path program 10 times [2021-04-29 04:20:06,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:06,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78642506] [2021-04-29 04:20:06,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:06,948 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:06,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:06,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:06,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:06,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:06,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:06,977 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size [2021-04-29 04:20:06,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:20:06,999 INFO L142 QuantifierPusher]: treesize reduction 33, result has 31.3 percent of original size [2021-04-29 04:20:06,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:07,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78642506] [2021-04-29 04:20:07,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635898802] [2021-04-29 04:20:07,026 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:07,049 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:20:07,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:07,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:07,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:07,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,069 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:07,069 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:20:07,070 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:20:07,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:07,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:07,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:07,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,092 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:20:07,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:07,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:07,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:07,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:07,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:07,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:07,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:20:07,105 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:20:07,105 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:07,108 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:07,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:07,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:07,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:20:07,123 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:20:07,124 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:20:07,128 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:07,129 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-04-29 04:20:07,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:07,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:07,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:07,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-04-29 04:20:07,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164880946] [2021-04-29 04:20:07,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:07,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:07,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:07,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:07,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:07,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 318 transitions, 6811 flow. Second operand has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:07,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:07,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:07,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:07,518 INFO L129 PetriNetUnfolder]: 191/629 cut-off events. [2021-04-29 04:20:07,518 INFO L130 PetriNetUnfolder]: For 30249/30249 co-relation queries the response was YES. [2021-04-29 04:20:07,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7200 conditions, 629 events. 191/629 cut-off events. For 30249/30249 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4708 event pairs, 9 based on Foata normal form. 1/630 useless extension candidates. Maximal degree in co-relation 7028. Up to 446 conditions per place. [2021-04-29 04:20:07,527 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 268 selfloop transitions, 45 changer transitions 1/325 dead transitions. [2021-04-29 04:20:07,527 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 325 transitions, 7610 flow [2021-04-29 04:20:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:20:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:20:07,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 155 transitions. [2021-04-29 04:20:07,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6458333333333334 [2021-04-29 04:20:07,533 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 155 transitions. [2021-04-29 04:20:07,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 155 transitions. [2021-04-29 04:20:07,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:07,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 155 transitions. [2021-04-29 04:20:07,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 15.5) internal successors, (155), 10 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:07,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:07,535 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:07,535 INFO L185 Difference]: Start difference. First operand has 278 places, 318 transitions, 6811 flow. Second operand 10 states and 155 transitions. [2021-04-29 04:20:07,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 325 transitions, 7610 flow [2021-04-29 04:20:07,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 325 transitions, 7329 flow, removed 130 selfloop flow, removed 2 redundant places. [2021-04-29 04:20:07,771 INFO L241 Difference]: Finished difference. Result has 288 places, 319 transitions, 6688 flow [2021-04-29 04:20:07,772 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=6530, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6688, PETRI_PLACES=288, PETRI_TRANSITIONS=319} [2021-04-29 04:20:07,772 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 268 predicate places. [2021-04-29 04:20:07,772 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:07,772 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 319 transitions, 6688 flow [2021-04-29 04:20:07,772 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 319 transitions, 6688 flow [2021-04-29 04:20:07,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 287 places, 319 transitions, 6688 flow [2021-04-29 04:20:07,878 INFO L129 PetriNetUnfolder]: 189/618 cut-off events. [2021-04-29 04:20:07,878 INFO L130 PetriNetUnfolder]: For 28687/28697 co-relation queries the response was YES. [2021-04-29 04:20:07,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6586 conditions, 618 events. 189/618 cut-off events. For 28687/28697 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4575 event pairs, 7 based on Foata normal form. 0/618 useless extension candidates. Maximal degree in co-relation 6425. Up to 162 conditions per place. [2021-04-29 04:20:07,889 INFO L146 LiptonReduction]: Number of co-enabled transitions 192 [2021-04-29 04:20:07,910 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:07,910 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:07,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138 [2021-04-29 04:20:07,910 INFO L480 AbstractCegarLoop]: Abstraction has has 287 places, 319 transitions, 6688 flow [2021-04-29 04:20:07,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:07,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:07,911 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:08,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-04-29 04:20:08,112 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:08,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:08,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1593039724, now seen corresponding path program 19 times [2021-04-29 04:20:08,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:08,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950532825] [2021-04-29 04:20:08,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:08,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:08,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:08,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:08,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:08,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:08,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:20:08,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950532825] [2021-04-29 04:20:08,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941012491] [2021-04-29 04:20:08,138 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:20:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:08,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:20:08,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:08,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:08,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:08,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:08,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:08,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:08,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:08,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:08,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:08,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:08,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:08,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:08,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:08,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:08,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:08,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:08,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:08,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:08,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:08,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:08,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:08,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:08,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:08,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:08,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:08,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:08,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:08,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:08,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:08,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:08,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:08,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-04-29 04:20:08,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447542058] [2021-04-29 04:20:08,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:20:08,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:08,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:20:08,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:20:08,234 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:08,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 319 transitions, 6688 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:08,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:08,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:08,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:08,543 INFO L129 PetriNetUnfolder]: 187/618 cut-off events. [2021-04-29 04:20:08,544 INFO L130 PetriNetUnfolder]: For 29380/29380 co-relation queries the response was YES. [2021-04-29 04:20:08,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7058 conditions, 618 events. 187/618 cut-off events. For 29380/29380 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 4595 event pairs, 0 based on Foata normal form. 4/622 useless extension candidates. Maximal degree in co-relation 6892. Up to 247 conditions per place. [2021-04-29 04:20:08,552 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 226 selfloop transitions, 106 changer transitions 1/339 dead transitions. [2021-04-29 04:20:08,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 339 transitions, 8088 flow [2021-04-29 04:20:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 04:20:08,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 04:20:08,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 221 transitions. [2021-04-29 04:20:08,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6577380952380952 [2021-04-29 04:20:08,554 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 221 transitions. [2021-04-29 04:20:08,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 221 transitions. [2021-04-29 04:20:08,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:08,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 221 transitions. [2021-04-29 04:20:08,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 15.785714285714286) internal successors, (221), 14 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:08,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:08,556 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:08,556 INFO L185 Difference]: Start difference. First operand has 287 places, 319 transitions, 6688 flow. Second operand 14 states and 221 transitions. [2021-04-29 04:20:08,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 339 transitions, 8088 flow [2021-04-29 04:20:08,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 339 transitions, 7954 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-04-29 04:20:08,800 INFO L241 Difference]: Finished difference. Result has 295 places, 323 transitions, 7019 flow [2021-04-29 04:20:08,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=6456, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7019, PETRI_PLACES=295, PETRI_TRANSITIONS=323} [2021-04-29 04:20:08,801 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 275 predicate places. [2021-04-29 04:20:08,801 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:08,801 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 295 places, 323 transitions, 7019 flow [2021-04-29 04:20:08,801 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 295 places, 323 transitions, 7019 flow [2021-04-29 04:20:08,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 293 places, 323 transitions, 7019 flow [2021-04-29 04:20:08,927 INFO L129 PetriNetUnfolder]: 186/615 cut-off events. [2021-04-29 04:20:08,927 INFO L130 PetriNetUnfolder]: For 29859/29865 co-relation queries the response was YES. [2021-04-29 04:20:08,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6655 conditions, 615 events. 186/615 cut-off events. For 29859/29865 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4563 event pairs, 5 based on Foata normal form. 0/615 useless extension candidates. Maximal degree in co-relation 6510. Up to 157 conditions per place. [2021-04-29 04:20:08,938 INFO L146 LiptonReduction]: Number of co-enabled transitions 190 [2021-04-29 04:20:08,961 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:08,961 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:08,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-04-29 04:20:08,961 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 323 transitions, 7019 flow [2021-04-29 04:20:08,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:08,962 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:08,962 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:09,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:09,163 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:09,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:09,163 INFO L82 PathProgramCache]: Analyzing trace with hash 732975902, now seen corresponding path program 20 times [2021-04-29 04:20:09,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:09,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457610266] [2021-04-29 04:20:09,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:09,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:09,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:09,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:09,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:09,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:09,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:09,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457610266] [2021-04-29 04:20:09,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104649254] [2021-04-29 04:20:09,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:09,224 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:20:09,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:09,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:20:09,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:09,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:09,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:09,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:09,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:09,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:09,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:09,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:09,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:09,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:09,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:09,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:09,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:09,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:09,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:09,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:09,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:09,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:09,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:09,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:09,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:09,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:09,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:09,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:09,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:09,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:09,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:09,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:09,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:09,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:09,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-04-29 04:20:09,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725966128] [2021-04-29 04:20:09,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:09,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:09,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:09,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:09,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:09,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 323 transitions, 7019 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:09,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:09,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:09,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:09,681 INFO L129 PetriNetUnfolder]: 183/599 cut-off events. [2021-04-29 04:20:09,682 INFO L130 PetriNetUnfolder]: For 29926/29926 co-relation queries the response was YES. [2021-04-29 04:20:09,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6977 conditions, 599 events. 183/599 cut-off events. For 29926/29926 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4397 event pairs, 0 based on Foata normal form. 4/603 useless extension candidates. Maximal degree in co-relation 6827. Up to 247 conditions per place. [2021-04-29 04:20:09,690 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 223 selfloop transitions, 109 changer transitions 2/340 dead transitions. [2021-04-29 04:20:09,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 340 transitions, 8310 flow [2021-04-29 04:20:09,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 04:20:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 04:20:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 249 transitions. [2021-04-29 04:20:09,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6484375 [2021-04-29 04:20:09,691 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 249 transitions. [2021-04-29 04:20:09,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 249 transitions. [2021-04-29 04:20:09,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:09,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 249 transitions. [2021-04-29 04:20:09,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 15.5625) internal successors, (249), 16 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:09,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 24.0) internal successors, (408), 17 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:09,693 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 24.0) internal successors, (408), 17 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:09,693 INFO L185 Difference]: Start difference. First operand has 293 places, 323 transitions, 7019 flow. Second operand 16 states and 249 transitions. [2021-04-29 04:20:09,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 340 transitions, 8310 flow [2021-04-29 04:20:09,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 340 transitions, 7918 flow, removed 134 selfloop flow, removed 7 redundant places. [2021-04-29 04:20:09,887 INFO L241 Difference]: Finished difference. Result has 303 places, 325 transitions, 7059 flow [2021-04-29 04:20:09,887 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=6629, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=7059, PETRI_PLACES=303, PETRI_TRANSITIONS=325} [2021-04-29 04:20:09,887 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 283 predicate places. [2021-04-29 04:20:09,887 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:09,887 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 325 transitions, 7059 flow [2021-04-29 04:20:09,888 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 325 transitions, 7059 flow [2021-04-29 04:20:09,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 325 transitions, 7059 flow [2021-04-29 04:20:09,985 INFO L129 PetriNetUnfolder]: 182/602 cut-off events. [2021-04-29 04:20:09,986 INFO L130 PetriNetUnfolder]: For 28247/28252 co-relation queries the response was YES. [2021-04-29 04:20:09,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6366 conditions, 602 events. 182/602 cut-off events. For 28247/28252 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4418 event pairs, 3 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 6219. Up to 150 conditions per place. [2021-04-29 04:20:09,995 INFO L146 LiptonReduction]: Number of co-enabled transitions 174 [2021-04-29 04:20:10,017 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:10,018 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:10,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-04-29 04:20:10,018 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 325 transitions, 7059 flow [2021-04-29 04:20:10,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:10,018 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:10,019 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:10,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:10,228 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:10,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:10,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1560746280, now seen corresponding path program 21 times [2021-04-29 04:20:10,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:10,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992868986] [2021-04-29 04:20:10,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:10,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:10,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:10,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:10,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:10,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:10,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:10,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992868986] [2021-04-29 04:20:10,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945748770] [2021-04-29 04:20:10,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:10,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:20:10,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:10,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-29 04:20:10,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:10,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:10,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:10,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:10,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:10,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:10,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:10,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:10,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:10,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:10,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:10,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:10,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:10,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:10,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:10,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:10,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:10,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:10,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:10,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:10,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:10,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:10,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:10,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:10,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:10,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:10,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:10,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:10,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:10,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:10,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-04-29 04:20:10,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293529687] [2021-04-29 04:20:10,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:20:10,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:10,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:20:10,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:20:10,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:10,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 325 transitions, 7059 flow. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:10,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:10,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:10,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:10,762 INFO L129 PetriNetUnfolder]: 180/579 cut-off events. [2021-04-29 04:20:10,763 INFO L130 PetriNetUnfolder]: For 27791/27791 co-relation queries the response was YES. [2021-04-29 04:20:10,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6598 conditions, 579 events. 180/579 cut-off events. For 27791/27791 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 4205 event pairs, 0 based on Foata normal form. 3/582 useless extension candidates. Maximal degree in co-relation 6446. Up to 212 conditions per place. [2021-04-29 04:20:10,773 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 206 selfloop transitions, 130 changer transitions 1/343 dead transitions. [2021-04-29 04:20:10,774 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 343 transitions, 8493 flow [2021-04-29 04:20:10,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 04:20:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 04:20:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 263 transitions. [2021-04-29 04:20:10,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6446078431372549 [2021-04-29 04:20:10,775 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 263 transitions. [2021-04-29 04:20:10,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 263 transitions. [2021-04-29 04:20:10,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:10,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 263 transitions. [2021-04-29 04:20:10,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 15.470588235294118) internal successors, (263), 17 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:10,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 24.0) internal successors, (432), 18 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:10,777 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 24.0) internal successors, (432), 18 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:10,777 INFO L185 Difference]: Start difference. First operand has 298 places, 325 transitions, 7059 flow. Second operand 17 states and 263 transitions. [2021-04-29 04:20:10,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 343 transitions, 8493 flow [2021-04-29 04:20:10,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 343 transitions, 8049 flow, removed 120 selfloop flow, removed 12 redundant places. [2021-04-29 04:20:10,964 INFO L241 Difference]: Finished difference. Result has 303 places, 330 transitions, 7150 flow [2021-04-29 04:20:10,964 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=6539, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7150, PETRI_PLACES=303, PETRI_TRANSITIONS=330} [2021-04-29 04:20:10,964 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 283 predicate places. [2021-04-29 04:20:10,965 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:10,965 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 330 transitions, 7150 flow [2021-04-29 04:20:10,965 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 330 transitions, 7150 flow [2021-04-29 04:20:10,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 300 places, 330 transitions, 7150 flow [2021-04-29 04:20:11,062 INFO L129 PetriNetUnfolder]: 179/571 cut-off events. [2021-04-29 04:20:11,062 INFO L130 PetriNetUnfolder]: For 26693/26698 co-relation queries the response was YES. [2021-04-29 04:20:11,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6080 conditions, 571 events. 179/571 cut-off events. For 26693/26698 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4137 event pairs, 2 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 5932. Up to 147 conditions per place. [2021-04-29 04:20:11,077 INFO L146 LiptonReduction]: Number of co-enabled transitions 178 [2021-04-29 04:20:11,110 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:11,110 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:11,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-04-29 04:20:11,111 INFO L480 AbstractCegarLoop]: Abstraction has has 300 places, 330 transitions, 7150 flow [2021-04-29 04:20:11,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:11,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:11,111 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:11,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:11,325 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:11,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:11,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1756271504, now seen corresponding path program 22 times [2021-04-29 04:20:11,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:11,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099453004] [2021-04-29 04:20:11,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:11,346 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:11,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:11,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:11,376 INFO L142 QuantifierPusher]: treesize reduction 17, result has 85.0 percent of original size [2021-04-29 04:20:11,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-04-29 04:20:11,416 INFO L142 QuantifierPusher]: treesize reduction 8, result has 65.2 percent of original size [2021-04-29 04:20:11,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:11,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099453004] [2021-04-29 04:20:11,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760021371] [2021-04-29 04:20:11,440 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:11,462 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:20:11,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:11,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:11,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:11,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,475 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:11,475 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:20:11,475 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:20:11,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:11,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:11,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:11,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:11,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:11,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:11,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:11,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,501 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:20:11,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:11,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:11,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:11,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:11,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:11,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:11,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:20:11,524 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:20:11,524 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:11,525 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:11,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:11,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:11,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:11,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:20:11,534 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:20:11,534 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:20:11,535 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:11,536 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-04-29 04:20:11,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:11,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:11,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:11,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:11,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-04-29 04:20:11,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571240849] [2021-04-29 04:20:11,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 04:20:11,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:11,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 04:20:11,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-04-29 04:20:11,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:11,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 330 transitions, 7150 flow. Second operand has 12 states, 12 states have (on average 13.166666666666666) internal successors, (158), 12 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:11,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:11,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:11,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:12,033 INFO L129 PetriNetUnfolder]: 214/713 cut-off events. [2021-04-29 04:20:12,034 INFO L130 PetriNetUnfolder]: For 34668/34668 co-relation queries the response was YES. [2021-04-29 04:20:12,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8091 conditions, 713 events. 214/713 cut-off events. For 34668/34668 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5619 event pairs, 3 based on Foata normal form. 4/717 useless extension candidates. Maximal degree in co-relation 7934. Up to 416 conditions per place. [2021-04-29 04:20:12,048 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 302 selfloop transitions, 106 changer transitions 7/426 dead transitions. [2021-04-29 04:20:12,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 426 transitions, 10107 flow [2021-04-29 04:20:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 04:20:12,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 04:20:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 165 transitions. [2021-04-29 04:20:12,049 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.625 [2021-04-29 04:20:12,049 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 165 transitions. [2021-04-29 04:20:12,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 165 transitions. [2021-04-29 04:20:12,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:12,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 165 transitions. [2021-04-29 04:20:12,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 15.0) internal successors, (165), 11 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:12,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:12,051 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:12,051 INFO L185 Difference]: Start difference. First operand has 300 places, 330 transitions, 7150 flow. Second operand 11 states and 165 transitions. [2021-04-29 04:20:12,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 426 transitions, 10107 flow [2021-04-29 04:20:12,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 426 transitions, 9582 flow, removed 183 selfloop flow, removed 6 redundant places. [2021-04-29 04:20:12,290 INFO L241 Difference]: Finished difference. Result has 313 places, 390 transitions, 8482 flow [2021-04-29 04:20:12,291 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=6754, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=8482, PETRI_PLACES=313, PETRI_TRANSITIONS=390} [2021-04-29 04:20:12,291 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 293 predicate places. [2021-04-29 04:20:12,291 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:12,291 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 313 places, 390 transitions, 8482 flow [2021-04-29 04:20:12,291 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 313 places, 390 transitions, 8482 flow [2021-04-29 04:20:12,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 311 places, 390 transitions, 8482 flow [2021-04-29 04:20:12,417 INFO L129 PetriNetUnfolder]: 213/692 cut-off events. [2021-04-29 04:20:12,417 INFO L130 PetriNetUnfolder]: For 33950/33954 co-relation queries the response was YES. [2021-04-29 04:20:12,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7619 conditions, 692 events. 213/692 cut-off events. For 33950/33954 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5400 event pairs, 2 based on Foata normal form. 0/692 useless extension candidates. Maximal degree in co-relation 7461. Up to 173 conditions per place. [2021-04-29 04:20:12,431 INFO L146 LiptonReduction]: Number of co-enabled transitions 246 [2021-04-29 04:20:12,462 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:12,462 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:12,462 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 171 [2021-04-29 04:20:12,462 INFO L480 AbstractCegarLoop]: Abstraction has has 311 places, 390 transitions, 8482 flow [2021-04-29 04:20:12,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 13.166666666666666) internal successors, (158), 12 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:12,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:12,463 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:12,671 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-04-29 04:20:12,671 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:12,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:12,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1562771698, now seen corresponding path program 23 times [2021-04-29 04:20:12,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:12,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642529091] [2021-04-29 04:20:12,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:12,699 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:12,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:12,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:12,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:12,743 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:20:12,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:12,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642529091] [2021-04-29 04:20:12,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95990758] [2021-04-29 04:20:12,765 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:20:12,789 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:20:12,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:12,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:12,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:12,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,805 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:12,805 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:20:12,806 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:20:12,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:12,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:12,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:12,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:12,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:12,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:12,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:12,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:12,836 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:20:12,837 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:12,838 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:12,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:12,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:12,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:12,850 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 04:20:12,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:12,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:12,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:12,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:12,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:12,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:12,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:12,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:12,873 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:20:12,873 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:12,874 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:12,876 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:20:12,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:12,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:12,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:12,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:12,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-04-29 04:20:12,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812591572] [2021-04-29 04:20:12,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:12,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:12,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:12,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:12,909 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:12,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 390 transitions, 8482 flow. Second operand has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:12,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:12,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:12,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:13,402 INFO L129 PetriNetUnfolder]: 214/695 cut-off events. [2021-04-29 04:20:13,402 INFO L130 PetriNetUnfolder]: For 35132/35132 co-relation queries the response was YES. [2021-04-29 04:20:13,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8255 conditions, 695 events. 214/695 cut-off events. For 35132/35132 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5388 event pairs, 3 based on Foata normal form. 7/702 useless extension candidates. Maximal degree in co-relation 8092. Up to 468 conditions per place. [2021-04-29 04:20:13,412 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 297 selfloop transitions, 81 changer transitions 18/407 dead transitions. [2021-04-29 04:20:13,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 407 transitions, 9764 flow [2021-04-29 04:20:13,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 04:20:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 04:20:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 171 transitions. [2021-04-29 04:20:13,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.59375 [2021-04-29 04:20:13,413 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 171 transitions. [2021-04-29 04:20:13,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 171 transitions. [2021-04-29 04:20:13,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:13,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 171 transitions. [2021-04-29 04:20:13,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 14.25) internal successors, (171), 12 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:13,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:13,414 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:13,414 INFO L185 Difference]: Start difference. First operand has 311 places, 390 transitions, 8482 flow. Second operand 12 states and 171 transitions. [2021-04-29 04:20:13,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 407 transitions, 9764 flow [2021-04-29 04:20:13,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 407 transitions, 9298 flow, removed 230 selfloop flow, removed 3 redundant places. [2021-04-29 04:20:13,672 INFO L241 Difference]: Finished difference. Result has 323 places, 387 transitions, 8277 flow [2021-04-29 04:20:13,672 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=8100, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8277, PETRI_PLACES=323, PETRI_TRANSITIONS=387} [2021-04-29 04:20:13,672 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 303 predicate places. [2021-04-29 04:20:13,672 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:13,673 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 387 transitions, 8277 flow [2021-04-29 04:20:13,673 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 387 transitions, 8277 flow [2021-04-29 04:20:13,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 320 places, 387 transitions, 8277 flow [2021-04-29 04:20:13,789 INFO L129 PetriNetUnfolder]: 211/652 cut-off events. [2021-04-29 04:20:13,789 INFO L130 PetriNetUnfolder]: For 29336/29339 co-relation queries the response was YES. [2021-04-29 04:20:13,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7146 conditions, 652 events. 211/652 cut-off events. For 29336/29339 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 4873 event pairs, 2 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 6986. Up to 155 conditions per place. [2021-04-29 04:20:13,802 INFO L146 LiptonReduction]: Number of co-enabled transitions 230 [2021-04-29 04:20:13,832 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:13,832 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:13,832 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-04-29 04:20:13,833 INFO L480 AbstractCegarLoop]: Abstraction has has 320 places, 387 transitions, 8277 flow [2021-04-29 04:20:13,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:13,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:13,833 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:14,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:14,037 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:14,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:14,037 INFO L82 PathProgramCache]: Analyzing trace with hash -2121540106, now seen corresponding path program 24 times [2021-04-29 04:20:14,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:14,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218679212] [2021-04-29 04:20:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:14,066 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:14,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:14,095 INFO L142 QuantifierPusher]: treesize reduction 46, result has 56.6 percent of original size [2021-04-29 04:20:14,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-29 04:20:14,133 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:20:14,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:14,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218679212] [2021-04-29 04:20:14,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828534219] [2021-04-29 04:20:14,154 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:14,184 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:20:14,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:14,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:14,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:14,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,197 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:14,197 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:20:14,197 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:20:14,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:14,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:14,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:14,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,222 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:20:14,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:14,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:14,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:14,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:14,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:14,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:14,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:20:14,247 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:20:14,247 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:14,248 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:14,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:14,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:14,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:14,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:14,271 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:20:14,271 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:14,273 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:14,274 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:20:14,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:14,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:14,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:14,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-04-29 04:20:14,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418568630] [2021-04-29 04:20:14,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 04:20:14,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:14,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 04:20:14,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-04-29 04:20:14,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:14,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 387 transitions, 8277 flow. Second operand has 12 states, 12 states have (on average 13.166666666666666) internal successors, (158), 12 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:14,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:14,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:14,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:14,687 INFO L129 PetriNetUnfolder]: 212/662 cut-off events. [2021-04-29 04:20:14,687 INFO L130 PetriNetUnfolder]: For 29967/29967 co-relation queries the response was YES. [2021-04-29 04:20:14,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7726 conditions, 662 events. 212/662 cut-off events. For 29967/29967 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 4915 event pairs, 3 based on Foata normal form. 1/663 useless extension candidates. Maximal degree in co-relation 7561. Up to 417 conditions per place. [2021-04-29 04:20:14,695 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 294 selfloop transitions, 97 changer transitions 1/403 dead transitions. [2021-04-29 04:20:14,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 403 transitions, 9404 flow [2021-04-29 04:20:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:20:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:20:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 136 transitions. [2021-04-29 04:20:14,696 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6296296296296297 [2021-04-29 04:20:14,696 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 136 transitions. [2021-04-29 04:20:14,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 136 transitions. [2021-04-29 04:20:14,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:14,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 136 transitions. [2021-04-29 04:20:14,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:14,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 24.0) internal successors, (240), 10 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:14,698 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 24.0) internal successors, (240), 10 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:14,698 INFO L185 Difference]: Start difference. First operand has 320 places, 387 transitions, 8277 flow. Second operand 9 states and 136 transitions. [2021-04-29 04:20:14,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 403 transitions, 9404 flow [2021-04-29 04:20:14,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 403 transitions, 9013 flow, removed 152 selfloop flow, removed 5 redundant places. [2021-04-29 04:20:14,937 INFO L241 Difference]: Finished difference. Result has 326 places, 388 transitions, 8184 flow [2021-04-29 04:20:14,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=7894, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=8184, PETRI_PLACES=326, PETRI_TRANSITIONS=388} [2021-04-29 04:20:14,938 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 306 predicate places. [2021-04-29 04:20:14,938 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:14,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 326 places, 388 transitions, 8184 flow [2021-04-29 04:20:14,939 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 326 places, 388 transitions, 8184 flow [2021-04-29 04:20:14,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 325 places, 388 transitions, 8184 flow [2021-04-29 04:20:15,136 INFO L129 PetriNetUnfolder]: 211/649 cut-off events. [2021-04-29 04:20:15,137 INFO L130 PetriNetUnfolder]: For 30343/30346 co-relation queries the response was YES. [2021-04-29 04:20:15,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6982 conditions, 649 events. 211/649 cut-off events. For 30343/30346 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4828 event pairs, 2 based on Foata normal form. 0/649 useless extension candidates. Maximal degree in co-relation 6820. Up to 154 conditions per place. [2021-04-29 04:20:15,158 INFO L146 LiptonReduction]: Number of co-enabled transitions 230 [2021-04-29 04:20:15,206 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:15,206 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:15,206 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-04-29 04:20:15,206 INFO L480 AbstractCegarLoop]: Abstraction has has 325 places, 388 transitions, 8184 flow [2021-04-29 04:20:15,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 13.166666666666666) internal successors, (158), 12 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:15,207 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:15,207 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:15,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:15,420 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:15,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:15,421 INFO L82 PathProgramCache]: Analyzing trace with hash 439381264, now seen corresponding path program 25 times [2021-04-29 04:20:15,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:15,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386340807] [2021-04-29 04:20:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:15,437 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:15,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:15,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:15,464 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-04-29 04:20:15,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 04:20:15,501 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:20:15,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:15,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386340807] [2021-04-29 04:20:15,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213595576] [2021-04-29 04:20:15,525 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:15,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:15,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:15,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,562 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:15,562 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-04-29 04:20:15,563 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-29 04:20:15,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:15,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:15,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:15,578 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:20:15,579 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:20:15,580 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:20:15,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:15,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:15,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:15,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:15,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:15,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:20:15,615 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:20:15,615 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:15,616 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:15,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:15,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:15,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:15,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:15,634 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:20:15,635 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:15,636 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:15,637 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:20:15,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:15,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:15,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:15,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:15,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-04-29 04:20:15,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428421158] [2021-04-29 04:20:15,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 04:20:15,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:15,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 04:20:15,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-04-29 04:20:15,664 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:15,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 388 transitions, 8184 flow. Second operand has 12 states, 12 states have (on average 13.25) internal successors, (159), 12 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:15,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:15,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:15,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:16,051 INFO L129 PetriNetUnfolder]: 233/743 cut-off events. [2021-04-29 04:20:16,051 INFO L130 PetriNetUnfolder]: For 35728/35728 co-relation queries the response was YES. [2021-04-29 04:20:16,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8570 conditions, 743 events. 233/743 cut-off events. For 35728/35728 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5786 event pairs, 3 based on Foata normal form. 3/746 useless extension candidates. Maximal degree in co-relation 8403. Up to 521 conditions per place. [2021-04-29 04:20:16,061 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 349 selfloop transitions, 73 changer transitions 1/434 dead transitions. [2021-04-29 04:20:16,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 434 transitions, 10122 flow [2021-04-29 04:20:16,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:20:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:20:16,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 122 transitions. [2021-04-29 04:20:16,062 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6354166666666666 [2021-04-29 04:20:16,062 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 122 transitions. [2021-04-29 04:20:16,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 122 transitions. [2021-04-29 04:20:16,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:16,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 122 transitions. [2021-04-29 04:20:16,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 15.25) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:16,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:16,063 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:16,063 INFO L185 Difference]: Start difference. First operand has 325 places, 388 transitions, 8184 flow. Second operand 8 states and 122 transitions. [2021-04-29 04:20:16,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 434 transitions, 10122 flow [2021-04-29 04:20:16,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 434 transitions, 9923 flow, removed 42 selfloop flow, removed 5 redundant places. [2021-04-29 04:20:16,339 INFO L241 Difference]: Finished difference. Result has 331 places, 421 transitions, 9034 flow [2021-04-29 04:20:16,340 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=7995, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9034, PETRI_PLACES=331, PETRI_TRANSITIONS=421} [2021-04-29 04:20:16,340 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 311 predicate places. [2021-04-29 04:20:16,340 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:16,340 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 331 places, 421 transitions, 9034 flow [2021-04-29 04:20:16,340 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 331 places, 421 transitions, 9034 flow [2021-04-29 04:20:16,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 330 places, 421 transitions, 9034 flow [2021-04-29 04:20:16,474 INFO L129 PetriNetUnfolder]: 232/726 cut-off events. [2021-04-29 04:20:16,474 INFO L130 PetriNetUnfolder]: For 33936/33940 co-relation queries the response was YES. [2021-04-29 04:20:16,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7919 conditions, 726 events. 232/726 cut-off events. For 33936/33940 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 5602 event pairs, 2 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 7754. Up to 176 conditions per place. [2021-04-29 04:20:16,489 INFO L146 LiptonReduction]: Number of co-enabled transitions 244 [2021-04-29 04:20:16,524 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:16,524 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:16,524 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 184 [2021-04-29 04:20:16,524 INFO L480 AbstractCegarLoop]: Abstraction has has 330 places, 421 transitions, 9034 flow [2021-04-29 04:20:16,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 13.25) internal successors, (159), 12 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:16,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:16,525 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:16,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-04-29 04:20:16,732 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:16,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:16,732 INFO L82 PathProgramCache]: Analyzing trace with hash 440217334, now seen corresponding path program 26 times [2021-04-29 04:20:16,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:16,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023147637] [2021-04-29 04:20:16,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:16,753 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:16,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:16,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:16,782 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-04-29 04:20:16,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 04:20:16,811 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:20:16,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:16,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023147637] [2021-04-29 04:20:16,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134770560] [2021-04-29 04:20:16,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:16,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:20:16,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:16,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:16,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:16,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,886 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:16,887 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:20:16,887 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:20:16,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:16,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:16,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:16,900 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 04:20:16,901 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:20:16,901 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:20:16,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:16,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:16,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:16,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:16,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:16,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:20:16,932 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:20:16,933 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:16,933 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:16,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:16,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:16,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:16,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:16,955 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:20:16,957 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:16,959 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:16,960 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:20:16,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:16,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:16,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:16,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:16,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-04-29 04:20:16,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541681941] [2021-04-29 04:20:16,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 04:20:16,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:16,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 04:20:16,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-04-29 04:20:16,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:16,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 421 transitions, 9034 flow. Second operand has 12 states, 12 states have (on average 13.25) internal successors, (159), 12 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:16,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:16,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:16,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:17,452 INFO L129 PetriNetUnfolder]: 233/731 cut-off events. [2021-04-29 04:20:17,452 INFO L130 PetriNetUnfolder]: For 34355/34355 co-relation queries the response was YES. [2021-04-29 04:20:17,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8552 conditions, 731 events. 233/731 cut-off events. For 34355/34355 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 5631 event pairs, 3 based on Foata normal form. 3/734 useless extension candidates. Maximal degree in co-relation 8382. Up to 521 conditions per place. [2021-04-29 04:20:17,462 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 348 selfloop transitions, 71 changer transitions 3/433 dead transitions. [2021-04-29 04:20:17,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 433 transitions, 10172 flow [2021-04-29 04:20:17,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:20:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:20:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 121 transitions. [2021-04-29 04:20:17,463 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6302083333333334 [2021-04-29 04:20:17,463 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 121 transitions. [2021-04-29 04:20:17,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 121 transitions. [2021-04-29 04:20:17,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:17,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 121 transitions. [2021-04-29 04:20:17,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 15.125) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:17,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:17,464 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:17,464 INFO L185 Difference]: Start difference. First operand has 330 places, 421 transitions, 9034 flow. Second operand 8 states and 121 transitions. [2021-04-29 04:20:17,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 433 transitions, 10172 flow [2021-04-29 04:20:17,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 433 transitions, 9943 flow, removed 73 selfloop flow, removed 4 redundant places. [2021-04-29 04:20:17,856 INFO L241 Difference]: Finished difference. Result has 336 places, 422 transitions, 9058 flow [2021-04-29 04:20:17,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=8817, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9058, PETRI_PLACES=336, PETRI_TRANSITIONS=422} [2021-04-29 04:20:17,857 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 316 predicate places. [2021-04-29 04:20:17,857 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:17,857 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 422 transitions, 9058 flow [2021-04-29 04:20:17,857 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 422 transitions, 9058 flow [2021-04-29 04:20:17,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 335 places, 422 transitions, 9058 flow [2021-04-29 04:20:18,132 INFO L129 PetriNetUnfolder]: 232/716 cut-off events. [2021-04-29 04:20:18,132 INFO L130 PetriNetUnfolder]: For 33672/33676 co-relation queries the response was YES. [2021-04-29 04:20:18,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7783 conditions, 716 events. 232/716 cut-off events. For 33672/33676 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5449 event pairs, 2 based on Foata normal form. 0/716 useless extension candidates. Maximal degree in co-relation 7616. Up to 175 conditions per place. [2021-04-29 04:20:18,164 INFO L146 LiptonReduction]: Number of co-enabled transitions 238 [2021-04-29 04:20:18,225 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:18,226 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:18,226 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 369 [2021-04-29 04:20:18,228 INFO L480 AbstractCegarLoop]: Abstraction has has 335 places, 422 transitions, 9058 flow [2021-04-29 04:20:18,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 13.25) internal successors, (159), 12 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:18,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:18,229 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:18,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:18,444 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:18,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:18,444 INFO L82 PathProgramCache]: Analyzing trace with hash 771848824, now seen corresponding path program 27 times [2021-04-29 04:20:18,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:18,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885054053] [2021-04-29 04:20:18,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:18,463 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:18,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:18,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:18,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:18,508 INFO L142 QuantifierPusher]: treesize reduction 17, result has 56.4 percent of original size [2021-04-29 04:20:18,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:20:18,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:18,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885054053] [2021-04-29 04:20:18,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4185466] [2021-04-29 04:20:18,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:18,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:20:18,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:18,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:18,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:18,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,595 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:18,595 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-04-29 04:20:18,596 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-29 04:20:18,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:18,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:18,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:18,611 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:20:18,611 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:20:18,612 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:20:18,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:18,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:18,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:18,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:18,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:18,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:18,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:18,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:20:18,627 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 04:20:18,627 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:18,630 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:18,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:18,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:18,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:18,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:18,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:18,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:18,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:20:18,649 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:20:18,649 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:20:18,650 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:18,651 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-04-29 04:20:18,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:18,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:18,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:18,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:18,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2021-04-29 04:20:18,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199390532] [2021-04-29 04:20:18,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:18,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:18,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:18,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:18,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:18,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 422 transitions, 9058 flow. Second operand has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 11 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:18,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:18,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:18,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:19,123 INFO L129 PetriNetUnfolder]: 233/722 cut-off events. [2021-04-29 04:20:19,123 INFO L130 PetriNetUnfolder]: For 34320/34320 co-relation queries the response was YES. [2021-04-29 04:20:19,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8412 conditions, 722 events. 233/722 cut-off events. For 34320/34320 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5471 event pairs, 3 based on Foata normal form. 3/725 useless extension candidates. Maximal degree in co-relation 8238. Up to 534 conditions per place. [2021-04-29 04:20:19,134 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 358 selfloop transitions, 60 changer transitions 1/430 dead transitions. [2021-04-29 04:20:19,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 430 transitions, 10131 flow [2021-04-29 04:20:19,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:20:19,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:20:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 117 transitions. [2021-04-29 04:20:19,135 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.609375 [2021-04-29 04:20:19,135 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 117 transitions. [2021-04-29 04:20:19,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 117 transitions. [2021-04-29 04:20:19,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:19,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 117 transitions. [2021-04-29 04:20:19,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:19,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:19,137 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:19,137 INFO L185 Difference]: Start difference. First operand has 335 places, 422 transitions, 9058 flow. Second operand 8 states and 117 transitions. [2021-04-29 04:20:19,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 430 transitions, 10131 flow [2021-04-29 04:20:19,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 430 transitions, 9883 flow, removed 71 selfloop flow, removed 5 redundant places. [2021-04-29 04:20:19,427 INFO L241 Difference]: Finished difference. Result has 340 places, 428 transitions, 9184 flow [2021-04-29 04:20:19,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=8852, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9184, PETRI_PLACES=340, PETRI_TRANSITIONS=428} [2021-04-29 04:20:19,428 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 320 predicate places. [2021-04-29 04:20:19,428 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:19,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 340 places, 428 transitions, 9184 flow [2021-04-29 04:20:19,428 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 340 places, 428 transitions, 9184 flow [2021-04-29 04:20:19,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 339 places, 428 transitions, 9184 flow [2021-04-29 04:20:19,590 INFO L129 PetriNetUnfolder]: 232/704 cut-off events. [2021-04-29 04:20:19,590 INFO L130 PetriNetUnfolder]: For 31637/31641 co-relation queries the response was YES. [2021-04-29 04:20:19,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7671 conditions, 704 events. 232/704 cut-off events. For 31637/31641 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 5286 event pairs, 2 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 7502. Up to 174 conditions per place. [2021-04-29 04:20:19,604 INFO L146 LiptonReduction]: Number of co-enabled transitions 240 [2021-04-29 04:20:19,650 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:19,650 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:19,650 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 222 [2021-04-29 04:20:19,651 INFO L480 AbstractCegarLoop]: Abstraction has has 339 places, 428 transitions, 9184 flow [2021-04-29 04:20:19,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 11 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:19,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:19,651 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:19,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,47 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:19,852 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:19,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:19,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1872131776, now seen corresponding path program 28 times [2021-04-29 04:20:19,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:19,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002977269] [2021-04-29 04:20:19,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:19,871 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:20:19,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:19,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:19,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:19,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:19,920 INFO L142 QuantifierPusher]: treesize reduction 32, result has 31.9 percent of original size [2021-04-29 04:20:19,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:19,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:19,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002977269] [2021-04-29 04:20:19,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293371134] [2021-04-29 04:20:19,947 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:19,970 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:20:19,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:19,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-29 04:20:19,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:19,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:19,988 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:20:19,989 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:20:19,989 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:20:19,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:19,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:19,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:19,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:20,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:20,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:20,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:20,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:20,019 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:20:20,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:20,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:20,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:20,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:20,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:20,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:20,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:20,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:20:20,026 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 04:20:20,027 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:20:20,028 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:20,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:20,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:20,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:20:20,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:20,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:20,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:20:20,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:20:20,058 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:20:20,058 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:20:20,059 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:20,060 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-04-29 04:20:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:20,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:20,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:20,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-04-29 04:20:20,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538429439] [2021-04-29 04:20:20,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:20,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:20,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:20,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:20,090 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:20:20,090 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 428 transitions, 9184 flow. Second operand has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:20,090 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:20,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:20:20,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:20,594 INFO L129 PetriNetUnfolder]: 233/709 cut-off events. [2021-04-29 04:20:20,594 INFO L130 PetriNetUnfolder]: For 32469/32469 co-relation queries the response was YES. [2021-04-29 04:20:20,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8291 conditions, 709 events. 233/709 cut-off events. For 32469/32469 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5308 event pairs, 3 based on Foata normal form. 4/713 useless extension candidates. Maximal degree in co-relation 8117. Up to 481 conditions per place. [2021-04-29 04:20:20,605 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 330 selfloop transitions, 103 changer transitions 1/445 dead transitions. [2021-04-29 04:20:20,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 445 transitions, 10403 flow [2021-04-29 04:20:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 04:20:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 04:20:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 160 transitions. [2021-04-29 04:20:20,606 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6060606060606061 [2021-04-29 04:20:20,606 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 160 transitions. [2021-04-29 04:20:20,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 160 transitions. [2021-04-29 04:20:20,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:20,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 160 transitions. [2021-04-29 04:20:20,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 14.545454545454545) internal successors, (160), 11 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:20,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:20,608 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:20,608 INFO L185 Difference]: Start difference. First operand has 339 places, 428 transitions, 9184 flow. Second operand 11 states and 160 transitions. [2021-04-29 04:20:20,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 445 transitions, 10403 flow [2021-04-29 04:20:21,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 445 transitions, 10186 flow, removed 48 selfloop flow, removed 6 redundant places. [2021-04-29 04:20:21,052 INFO L241 Difference]: Finished difference. Result has 346 places, 438 transitions, 9422 flow [2021-04-29 04:20:21,053 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=8971, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=9422, PETRI_PLACES=346, PETRI_TRANSITIONS=438} [2021-04-29 04:20:21,053 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 326 predicate places. [2021-04-29 04:20:21,053 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:21,053 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 346 places, 438 transitions, 9422 flow [2021-04-29 04:20:21,053 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 346 places, 438 transitions, 9422 flow [2021-04-29 04:20:21,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 345 places, 438 transitions, 9422 flow [2021-04-29 04:20:21,267 INFO L129 PetriNetUnfolder]: 232/693 cut-off events. [2021-04-29 04:20:21,267 INFO L130 PetriNetUnfolder]: For 32064/32068 co-relation queries the response was YES. [2021-04-29 04:20:21,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7616 conditions, 693 events. 232/693 cut-off events. For 32064/32068 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5134 event pairs, 2 based on Foata normal form. 0/693 useless extension candidates. Maximal degree in co-relation 7445. Up to 174 conditions per place. [2021-04-29 04:20:21,283 INFO L146 LiptonReduction]: Number of co-enabled transitions 238 [2021-04-29 04:20:21,321 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:21,321 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:21,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-04-29 04:20:21,322 INFO L480 AbstractCegarLoop]: Abstraction has has 345 places, 438 transitions, 9422 flow [2021-04-29 04:20:21,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 11 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:21,322 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:21,322 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:21,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:21,523 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:21,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:21,523 INFO L82 PathProgramCache]: Analyzing trace with hash 33061704, now seen corresponding path program 11 times [2021-04-29 04:20:21,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:21,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568197455] [2021-04-29 04:20:21,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:21,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:21,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:21,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:21,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:21,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:21,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:21,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:21,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568197455] [2021-04-29 04:20:21,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740823517] [2021-04-29 04:20:21,557 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:21,581 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-04-29 04:20:21,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:21,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:21,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:21,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:21,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:21,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:21,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:21,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:21,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:21,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:21,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:21,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:21,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:21,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:21,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:21,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:21,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:21,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:21,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:21,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:21,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:21,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:21,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:21,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:21,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:21,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:21,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:21,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:21,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:21,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:21,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:21,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:21,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:21,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:21,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:21,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:21,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:21,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:21,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:21,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2021-04-29 04:20:21,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621527488] [2021-04-29 04:20:21,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:21,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:21,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:21,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:21,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:21,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 438 transitions, 9422 flow. Second operand has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:21,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:21,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:21,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:22,172 INFO L129 PetriNetUnfolder]: 286/887 cut-off events. [2021-04-29 04:20:22,172 INFO L130 PetriNetUnfolder]: For 55445/55445 co-relation queries the response was YES. [2021-04-29 04:20:22,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10842 conditions, 887 events. 286/887 cut-off events. For 55445/55445 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 7005 event pairs, 8 based on Foata normal form. 14/901 useless extension candidates. Maximal degree in co-relation 10661. Up to 416 conditions per place. [2021-04-29 04:20:22,187 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 376 selfloop transitions, 175 changer transitions 0/557 dead transitions. [2021-04-29 04:20:22,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 557 transitions, 14053 flow [2021-04-29 04:20:22,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 04:20:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 04:20:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 244 transitions. [2021-04-29 04:20:22,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6777777777777778 [2021-04-29 04:20:22,188 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 244 transitions. [2021-04-29 04:20:22,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 244 transitions. [2021-04-29 04:20:22,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:22,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 244 transitions. [2021-04-29 04:20:22,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 16.266666666666666) internal successors, (244), 15 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:22,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:22,190 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:22,190 INFO L185 Difference]: Start difference. First operand has 345 places, 438 transitions, 9422 flow. Second operand 15 states and 244 transitions. [2021-04-29 04:20:22,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 557 transitions, 14053 flow [2021-04-29 04:20:22,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 557 transitions, 13843 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-04-29 04:20:22,558 INFO L241 Difference]: Finished difference. Result has 358 places, 514 transitions, 11925 flow [2021-04-29 04:20:22,559 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=9214, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11925, PETRI_PLACES=358, PETRI_TRANSITIONS=514} [2021-04-29 04:20:22,559 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 338 predicate places. [2021-04-29 04:20:22,559 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:22,559 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 358 places, 514 transitions, 11925 flow [2021-04-29 04:20:22,559 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 358 places, 514 transitions, 11925 flow [2021-04-29 04:20:22,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 358 places, 514 transitions, 11925 flow [2021-04-29 04:20:22,761 INFO L129 PetriNetUnfolder]: 284/878 cut-off events. [2021-04-29 04:20:22,761 INFO L130 PetriNetUnfolder]: For 56476/56480 co-relation queries the response was YES. [2021-04-29 04:20:22,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10392 conditions, 878 events. 284/878 cut-off events. For 56476/56480 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7002 event pairs, 7 based on Foata normal form. 0/878 useless extension candidates. Maximal degree in co-relation 10215. Up to 224 conditions per place. [2021-04-29 04:20:22,781 INFO L146 LiptonReduction]: Number of co-enabled transitions 268 [2021-04-29 04:20:22,830 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:22,830 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:22,830 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 271 [2021-04-29 04:20:22,830 INFO L480 AbstractCegarLoop]: Abstraction has has 358 places, 514 transitions, 11925 flow [2021-04-29 04:20:22,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:22,831 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:22,831 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:23,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:23,047 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:23,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:23,047 INFO L82 PathProgramCache]: Analyzing trace with hash -577593788, now seen corresponding path program 12 times [2021-04-29 04:20:23,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:23,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995396251] [2021-04-29 04:20:23,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:23,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:23,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:23,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:23,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:23,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:23,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:23,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:23,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995396251] [2021-04-29 04:20:23,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132513061] [2021-04-29 04:20:23,087 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:23,111 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:20:23,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:23,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:23,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:23,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:23,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:23,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:23,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:23,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:23,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:23,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:23,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:23,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:23,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:23,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:23,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:23,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:23,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:23,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:23,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:23,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:23,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:23,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:23,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:23,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:23,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:23,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:23,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:23,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:23,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:23,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:23,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:23,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:23,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:23,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:23,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:23,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:23,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:23,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:23,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:23,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:23,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-04-29 04:20:23,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430963332] [2021-04-29 04:20:23,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 04:20:23,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:23,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 04:20:23,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-04-29 04:20:23,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:23,195 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 514 transitions, 11925 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:23,195 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:23,195 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:23,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:23,868 INFO L129 PetriNetUnfolder]: 290/905 cut-off events. [2021-04-29 04:20:23,868 INFO L130 PetriNetUnfolder]: For 62526/62526 co-relation queries the response was YES. [2021-04-29 04:20:23,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11625 conditions, 905 events. 290/905 cut-off events. For 62526/62526 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7212 event pairs, 0 based on Foata normal form. 6/911 useless extension candidates. Maximal degree in co-relation 11443. Up to 333 conditions per place. [2021-04-29 04:20:23,883 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 334 selfloop transitions, 227 changer transitions 3/570 dead transitions. [2021-04-29 04:20:23,883 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 570 transitions, 15523 flow [2021-04-29 04:20:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 04:20:23,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 04:20:23,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 343 transitions. [2021-04-29 04:20:23,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6496212121212122 [2021-04-29 04:20:23,884 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 343 transitions. [2021-04-29 04:20:23,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 343 transitions. [2021-04-29 04:20:23,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:23,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 343 transitions. [2021-04-29 04:20:23,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 15.590909090909092) internal successors, (343), 22 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:23,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 24.0) internal successors, (552), 23 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:23,886 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 24.0) internal successors, (552), 23 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:23,886 INFO L185 Difference]: Start difference. First operand has 358 places, 514 transitions, 11925 flow. Second operand 22 states and 343 transitions. [2021-04-29 04:20:23,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 570 transitions, 15523 flow [2021-04-29 04:20:24,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 570 transitions, 14762 flow, removed 346 selfloop flow, removed 5 redundant places. [2021-04-29 04:20:24,340 INFO L241 Difference]: Finished difference. Result has 382 places, 550 transitions, 13826 flow [2021-04-29 04:20:24,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=11312, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=13826, PETRI_PLACES=382, PETRI_TRANSITIONS=550} [2021-04-29 04:20:24,341 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 362 predicate places. [2021-04-29 04:20:24,341 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:24,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 550 transitions, 13826 flow [2021-04-29 04:20:24,341 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 550 transitions, 13826 flow [2021-04-29 04:20:24,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 382 places, 550 transitions, 13826 flow [2021-04-29 04:20:24,562 INFO L129 PetriNetUnfolder]: 290/900 cut-off events. [2021-04-29 04:20:24,562 INFO L130 PetriNetUnfolder]: For 58830/58830 co-relation queries the response was YES. [2021-04-29 04:20:24,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10899 conditions, 900 events. 290/900 cut-off events. For 58830/58830 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7265 event pairs, 2 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 10711. Up to 230 conditions per place. [2021-04-29 04:20:24,583 INFO L146 LiptonReduction]: Number of co-enabled transitions 270 [2021-04-29 04:20:24,637 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:24,638 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:24,638 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297 [2021-04-29 04:20:24,638 INFO L480 AbstractCegarLoop]: Abstraction has has 382 places, 550 transitions, 13826 flow [2021-04-29 04:20:24,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:24,638 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:24,638 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:24,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2021-04-29 04:20:24,839 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:24,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:24,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1092995678, now seen corresponding path program 13 times [2021-04-29 04:20:24,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:24,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235119671] [2021-04-29 04:20:24,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:24,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:24,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:24,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:24,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:24,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:24,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:24,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:24,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235119671] [2021-04-29 04:20:24,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367292512] [2021-04-29 04:20:24,880 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:24,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:24,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:24,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:24,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:24,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:24,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:24,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:24,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:24,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:24,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:24,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:24,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:24,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:24,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:24,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:24,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:24,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:24,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:24,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:24,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:24,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:24,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:24,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:24,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:24,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:24,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:24,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:24,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:24,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:24,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:24,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:24,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:24,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:24,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:24,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:24,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:24,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:24,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-04-29 04:20:24,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093843680] [2021-04-29 04:20:24,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 04:20:24,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:24,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 04:20:24,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-04-29 04:20:24,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:24,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 550 transitions, 13826 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:24,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:24,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:24,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:25,750 INFO L129 PetriNetUnfolder]: 310/1012 cut-off events. [2021-04-29 04:20:25,751 INFO L130 PetriNetUnfolder]: For 81152/81152 co-relation queries the response was YES. [2021-04-29 04:20:25,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13624 conditions, 1012 events. 310/1012 cut-off events. For 81152/81152 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8392 event pairs, 0 based on Foata normal form. 15/1027 useless extension candidates. Maximal degree in co-relation 13398. Up to 302 conditions per place. [2021-04-29 04:20:25,767 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 325 selfloop transitions, 291 changer transitions 7/629 dead transitions. [2021-04-29 04:20:25,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 629 transitions, 19021 flow [2021-04-29 04:20:25,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 04:20:25,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 04:20:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 434 transitions. [2021-04-29 04:20:25,769 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6458333333333334 [2021-04-29 04:20:25,769 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 434 transitions. [2021-04-29 04:20:25,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 434 transitions. [2021-04-29 04:20:25,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:25,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 434 transitions. [2021-04-29 04:20:25,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 15.5) internal successors, (434), 28 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:25,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 24.0) internal successors, (696), 29 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:25,771 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 24.0) internal successors, (696), 29 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:25,772 INFO L185 Difference]: Start difference. First operand has 382 places, 550 transitions, 13826 flow. Second operand 28 states and 434 transitions. [2021-04-29 04:20:25,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 629 transitions, 19021 flow [2021-04-29 04:20:26,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 629 transitions, 16925 flow, removed 961 selfloop flow, removed 5 redundant places. [2021-04-29 04:20:26,422 INFO L241 Difference]: Finished difference. Result has 415 places, 593 transitions, 15669 flow [2021-04-29 04:20:26,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=12413, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=15669, PETRI_PLACES=415, PETRI_TRANSITIONS=593} [2021-04-29 04:20:26,423 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 395 predicate places. [2021-04-29 04:20:26,423 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:26,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 593 transitions, 15669 flow [2021-04-29 04:20:26,423 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 593 transitions, 15669 flow [2021-04-29 04:20:26,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 413 places, 593 transitions, 15669 flow [2021-04-29 04:20:26,741 INFO L129 PetriNetUnfolder]: 309/996 cut-off events. [2021-04-29 04:20:26,741 INFO L130 PetriNetUnfolder]: For 60019/60019 co-relation queries the response was YES. [2021-04-29 04:20:26,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11920 conditions, 996 events. 309/996 cut-off events. For 60019/60019 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8333 event pairs, 0 based on Foata normal form. 0/996 useless extension candidates. Maximal degree in co-relation 11719. Up to 259 conditions per place. [2021-04-29 04:20:26,761 INFO L146 LiptonReduction]: Number of co-enabled transitions 296 [2021-04-29 04:20:26,819 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:26,819 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:26,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 396 [2021-04-29 04:20:26,819 INFO L480 AbstractCegarLoop]: Abstraction has has 413 places, 593 transitions, 15669 flow [2021-04-29 04:20:26,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:26,819 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:26,820 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:27,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:27,020 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:27,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:27,021 INFO L82 PathProgramCache]: Analyzing trace with hash -81454900, now seen corresponding path program 14 times [2021-04-29 04:20:27,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:27,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569569261] [2021-04-29 04:20:27,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:27,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:27,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:27,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:27,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:27,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:27,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:27,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:20:27,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569569261] [2021-04-29 04:20:27,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328778430] [2021-04-29 04:20:27,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:20:27,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:20:27,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:27,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:27,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:27,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:27,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:27,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:27,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:27,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:27,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:27,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:27,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:27,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:27,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:27,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:27,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:27,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:27,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:27,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:27,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:27,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:27,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:27,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:27,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:27,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:27,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:27,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:27,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:27,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:27,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:27,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:27,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:27,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:27,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:27,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:27,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:27,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:27,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2021-04-29 04:20:27,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868650114] [2021-04-29 04:20:27,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:27,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:27,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:27,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:27,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:27,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 593 transitions, 15669 flow. Second operand has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 11 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:27,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:27,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:27,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:27,844 INFO L129 PetriNetUnfolder]: 311/1014 cut-off events. [2021-04-29 04:20:27,844 INFO L130 PetriNetUnfolder]: For 67085/67085 co-relation queries the response was YES. [2021-04-29 04:20:27,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13095 conditions, 1014 events. 311/1014 cut-off events. For 67085/67085 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8351 event pairs, 0 based on Foata normal form. 11/1025 useless extension candidates. Maximal degree in co-relation 12852. Up to 568 conditions per place. [2021-04-29 04:20:27,862 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 467 selfloop transitions, 150 changer transitions 0/623 dead transitions. [2021-04-29 04:20:27,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 623 transitions, 18285 flow [2021-04-29 04:20:27,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 04:20:27,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 04:20:27,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 259 transitions. [2021-04-29 04:20:27,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6744791666666666 [2021-04-29 04:20:27,866 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 259 transitions. [2021-04-29 04:20:27,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 259 transitions. [2021-04-29 04:20:27,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:27,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 259 transitions. [2021-04-29 04:20:27,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 16.1875) internal successors, (259), 16 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:27,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 24.0) internal successors, (408), 17 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:27,868 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 24.0) internal successors, (408), 17 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:27,868 INFO L185 Difference]: Start difference. First operand has 413 places, 593 transitions, 15669 flow. Second operand 16 states and 259 transitions. [2021-04-29 04:20:27,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 623 transitions, 18285 flow [2021-04-29 04:20:28,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 623 transitions, 16385 flow, removed 843 selfloop flow, removed 16 redundant places. [2021-04-29 04:20:28,719 INFO L241 Difference]: Finished difference. Result has 415 places, 596 transitions, 14678 flow [2021-04-29 04:20:28,720 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=13960, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=14678, PETRI_PLACES=415, PETRI_TRANSITIONS=596} [2021-04-29 04:20:28,720 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 395 predicate places. [2021-04-29 04:20:28,720 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:28,720 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 596 transitions, 14678 flow [2021-04-29 04:20:28,720 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 596 transitions, 14678 flow [2021-04-29 04:20:28,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 415 places, 596 transitions, 14678 flow [2021-04-29 04:20:28,947 INFO L129 PetriNetUnfolder]: 311/1014 cut-off events. [2021-04-29 04:20:28,947 INFO L130 PetriNetUnfolder]: For 50996/50996 co-relation queries the response was YES. [2021-04-29 04:20:28,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11368 conditions, 1014 events. 311/1014 cut-off events. For 50996/50996 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 8522 event pairs, 0 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 11167. Up to 262 conditions per place. [2021-04-29 04:20:28,969 INFO L146 LiptonReduction]: Number of co-enabled transitions 302 [2021-04-29 04:20:29,034 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:29,034 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:29,034 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 314 [2021-04-29 04:20:29,034 INFO L480 AbstractCegarLoop]: Abstraction has has 415 places, 596 transitions, 14678 flow [2021-04-29 04:20:29,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 11 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:29,035 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:29,035 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:29,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-04-29 04:20:29,235 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:29,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:29,236 INFO L82 PathProgramCache]: Analyzing trace with hash -585965926, now seen corresponding path program 15 times [2021-04-29 04:20:29,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:29,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271733738] [2021-04-29 04:20:29,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:29,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:29,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:29,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271733738] [2021-04-29 04:20:29,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755484256] [2021-04-29 04:20:29,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:29,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 04:20:29,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:29,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:29,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:29,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:29,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:29,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:29,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:29,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:29,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:29,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:29,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:29,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:29,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:29,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:29,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:29,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:29,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:29,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:29,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:29,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:29,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:29,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:29,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:29,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:29,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:29,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:29,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:29,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:29,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:29,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:29,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:29,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:29,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:29,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:29,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:29,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2021-04-29 04:20:29,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133118518] [2021-04-29 04:20:29,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:29,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:29,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:29,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:29,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:29,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 596 transitions, 14678 flow. Second operand has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:29,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:29,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:29,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:30,184 INFO L129 PetriNetUnfolder]: 318/1030 cut-off events. [2021-04-29 04:20:30,184 INFO L130 PetriNetUnfolder]: For 51025/51025 co-relation queries the response was YES. [2021-04-29 04:20:30,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12346 conditions, 1030 events. 318/1030 cut-off events. For 51025/51025 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 8480 event pairs, 0 based on Foata normal form. 5/1035 useless extension candidates. Maximal degree in co-relation 12140. Up to 433 conditions per place. [2021-04-29 04:20:30,202 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 411 selfloop transitions, 202 changer transitions 2/621 dead transitions. [2021-04-29 04:20:30,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 621 transitions, 16699 flow [2021-04-29 04:20:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 04:20:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 04:20:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 299 transitions. [2021-04-29 04:20:30,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6557017543859649 [2021-04-29 04:20:30,204 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 299 transitions. [2021-04-29 04:20:30,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 299 transitions. [2021-04-29 04:20:30,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:30,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 299 transitions. [2021-04-29 04:20:30,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 15.736842105263158) internal successors, (299), 19 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:30,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 24.0) internal successors, (480), 20 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:30,206 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 24.0) internal successors, (480), 20 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:30,206 INFO L185 Difference]: Start difference. First operand has 415 places, 596 transitions, 14678 flow. Second operand 19 states and 299 transitions. [2021-04-29 04:20:30,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 621 transitions, 16699 flow [2021-04-29 04:20:30,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 621 transitions, 16321 flow, removed 72 selfloop flow, removed 10 redundant places. [2021-04-29 04:20:30,740 INFO L241 Difference]: Finished difference. Result has 429 places, 604 transitions, 15249 flow [2021-04-29 04:20:30,741 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=14147, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=15249, PETRI_PLACES=429, PETRI_TRANSITIONS=604} [2021-04-29 04:20:30,741 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 409 predicate places. [2021-04-29 04:20:30,741 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:30,741 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 604 transitions, 15249 flow [2021-04-29 04:20:30,741 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 604 transitions, 15249 flow [2021-04-29 04:20:30,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 604 transitions, 15249 flow [2021-04-29 04:20:31,005 INFO L129 PetriNetUnfolder]: 318/1019 cut-off events. [2021-04-29 04:20:31,005 INFO L130 PetriNetUnfolder]: For 54172/54172 co-relation queries the response was YES. [2021-04-29 04:20:31,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11776 conditions, 1019 events. 318/1019 cut-off events. For 54172/54172 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8518 event pairs, 0 based on Foata normal form. 0/1019 useless extension candidates. Maximal degree in co-relation 11567. Up to 267 conditions per place. [2021-04-29 04:20:31,030 INFO L146 LiptonReduction]: Number of co-enabled transitions 296 [2021-04-29 04:20:31,101 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:31,102 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:31,102 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 361 [2021-04-29 04:20:31,102 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 604 transitions, 15249 flow [2021-04-29 04:20:31,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:31,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:31,102 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:31,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-04-29 04:20:31,303 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:31,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:31,304 INFO L82 PathProgramCache]: Analyzing trace with hash 746500294, now seen corresponding path program 16 times [2021-04-29 04:20:31,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:31,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344533238] [2021-04-29 04:20:31,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:31,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:31,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:31,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:31,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344533238] [2021-04-29 04:20:31,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128193271] [2021-04-29 04:20:31,342 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:20:31,374 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:20:31,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:31,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:31,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:31,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:31,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:31,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:31,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:31,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:31,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:31,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:31,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:31,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:31,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:31,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:31,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:31,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:31,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:31,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:31,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:31,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:31,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:31,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:31,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:31,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:31,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:31,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:31,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:31,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:31,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:31,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:31,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:31,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:31,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:31,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:31,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:31,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-04-29 04:20:31,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684652647] [2021-04-29 04:20:31,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:31,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:31,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:31,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:31,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:31,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 604 transitions, 15249 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:31,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:31,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:31,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:32,359 INFO L129 PetriNetUnfolder]: 376/1238 cut-off events. [2021-04-29 04:20:32,359 INFO L130 PetriNetUnfolder]: For 71345/71345 co-relation queries the response was YES. [2021-04-29 04:20:32,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15159 conditions, 1238 events. 376/1238 cut-off events. For 71345/71345 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 10748 event pairs, 0 based on Foata normal form. 2/1240 useless extension candidates. Maximal degree in co-relation 14945. Up to 347 conditions per place. [2021-04-29 04:20:32,379 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 392 selfloop transitions, 358 changer transitions 2/758 dead transitions. [2021-04-29 04:20:32,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 758 transitions, 21093 flow [2021-04-29 04:20:32,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 04:20:32,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 04:20:32,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 323 transitions. [2021-04-29 04:20:32,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6408730158730159 [2021-04-29 04:20:32,381 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 323 transitions. [2021-04-29 04:20:32,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 323 transitions. [2021-04-29 04:20:32,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:32,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 323 transitions. [2021-04-29 04:20:32,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 15.380952380952381) internal successors, (323), 21 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:32,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 24.0) internal successors, (528), 22 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:32,383 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 24.0) internal successors, (528), 22 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:32,383 INFO L185 Difference]: Start difference. First operand has 428 places, 604 transitions, 15249 flow. Second operand 21 states and 323 transitions. [2021-04-29 04:20:32,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 758 transitions, 21093 flow [2021-04-29 04:20:33,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 758 transitions, 20844 flow, removed 54 selfloop flow, removed 10 redundant places. [2021-04-29 04:20:33,053 INFO L241 Difference]: Finished difference. Result has 445 places, 698 transitions, 18706 flow [2021-04-29 04:20:33,053 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=14989, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=603, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=18706, PETRI_PLACES=445, PETRI_TRANSITIONS=698} [2021-04-29 04:20:33,053 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 425 predicate places. [2021-04-29 04:20:33,053 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:33,054 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 445 places, 698 transitions, 18706 flow [2021-04-29 04:20:33,054 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 445 places, 698 transitions, 18706 flow [2021-04-29 04:20:33,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 445 places, 698 transitions, 18706 flow [2021-04-29 04:20:33,370 INFO L129 PetriNetUnfolder]: 376/1239 cut-off events. [2021-04-29 04:20:33,371 INFO L130 PetriNetUnfolder]: For 73652/73652 co-relation queries the response was YES. [2021-04-29 04:20:33,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14846 conditions, 1239 events. 376/1239 cut-off events. For 73652/73652 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 10931 event pairs, 0 based on Foata normal form. 0/1239 useless extension candidates. Maximal degree in co-relation 14629. Up to 287 conditions per place. [2021-04-29 04:20:33,402 INFO L146 LiptonReduction]: Number of co-enabled transitions 366 [2021-04-29 04:20:33,497 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:33,497 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:33,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 444 [2021-04-29 04:20:33,497 INFO L480 AbstractCegarLoop]: Abstraction has has 445 places, 698 transitions, 18706 flow [2021-04-29 04:20:33,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:33,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:33,498 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:33,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-04-29 04:20:33,698 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:33,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:33,699 INFO L82 PathProgramCache]: Analyzing trace with hash 250176590, now seen corresponding path program 17 times [2021-04-29 04:20:33,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:33,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587089070] [2021-04-29 04:20:33,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:33,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:33,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:33,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587089070] [2021-04-29 04:20:33,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803609121] [2021-04-29 04:20:33,728 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:33,748 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:20:33,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:33,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:33,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:33,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:33,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:33,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:33,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:33,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:33,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:33,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:33,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:33,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:33,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:33,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:33,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:33,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:33,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:33,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:33,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:33,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:33,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:33,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:33,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:33,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:33,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:33,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:33,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:33,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:33,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:33,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:33,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2021-04-29 04:20:33,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077497575] [2021-04-29 04:20:33,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:33,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:33,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:33,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:33,835 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:33,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 698 transitions, 18706 flow. Second operand has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:33,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:33,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:33,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:34,733 INFO L129 PetriNetUnfolder]: 376/1226 cut-off events. [2021-04-29 04:20:34,733 INFO L130 PetriNetUnfolder]: For 74057/74057 co-relation queries the response was YES. [2021-04-29 04:20:34,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15626 conditions, 1226 events. 376/1226 cut-off events. For 74057/74057 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 10552 event pairs, 0 based on Foata normal form. 3/1229 useless extension candidates. Maximal degree in co-relation 15404. Up to 409 conditions per place. [2021-04-29 04:20:34,760 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 393 selfloop transitions, 325 changer transitions 1/725 dead transitions. [2021-04-29 04:20:34,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 725 transitions, 21010 flow [2021-04-29 04:20:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-04-29 04:20:34,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-04-29 04:20:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 399 transitions. [2021-04-29 04:20:34,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6394230769230769 [2021-04-29 04:20:34,762 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 399 transitions. [2021-04-29 04:20:34,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 399 transitions. [2021-04-29 04:20:34,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:34,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 399 transitions. [2021-04-29 04:20:34,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 15.346153846153847) internal successors, (399), 26 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:34,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 24.0) internal successors, (648), 27 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:34,764 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 24.0) internal successors, (648), 27 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:34,765 INFO L185 Difference]: Start difference. First operand has 445 places, 698 transitions, 18706 flow. Second operand 26 states and 399 transitions. [2021-04-29 04:20:34,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 725 transitions, 21010 flow [2021-04-29 04:20:35,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 725 transitions, 20231 flow, removed 172 selfloop flow, removed 13 redundant places. [2021-04-29 04:20:35,558 INFO L241 Difference]: Finished difference. Result has 458 places, 699 transitions, 18743 flow [2021-04-29 04:20:35,559 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=17780, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=319, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=18743, PETRI_PLACES=458, PETRI_TRANSITIONS=699} [2021-04-29 04:20:35,559 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 438 predicate places. [2021-04-29 04:20:35,559 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:35,559 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 458 places, 699 transitions, 18743 flow [2021-04-29 04:20:35,560 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 458 places, 699 transitions, 18743 flow [2021-04-29 04:20:35,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 456 places, 699 transitions, 18743 flow [2021-04-29 04:20:35,877 INFO L129 PetriNetUnfolder]: 376/1211 cut-off events. [2021-04-29 04:20:35,877 INFO L130 PetriNetUnfolder]: For 69035/69035 co-relation queries the response was YES. [2021-04-29 04:20:35,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14821 conditions, 1211 events. 376/1211 cut-off events. For 69035/69035 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 10563 event pairs, 0 based on Foata normal form. 0/1211 useless extension candidates. Maximal degree in co-relation 14603. Up to 282 conditions per place. [2021-04-29 04:20:35,911 INFO L146 LiptonReduction]: Number of co-enabled transitions 366 [2021-04-29 04:20:36,041 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:36,041 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:36,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-04-29 04:20:36,042 INFO L480 AbstractCegarLoop]: Abstraction has has 456 places, 699 transitions, 18743 flow [2021-04-29 04:20:36,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:36,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:36,042 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:36,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-04-29 04:20:36,249 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:36,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:36,250 INFO L82 PathProgramCache]: Analyzing trace with hash -955195580, now seen corresponding path program 18 times [2021-04-29 04:20:36,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:36,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80277854] [2021-04-29 04:20:36,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:36,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:36,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:36,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:36,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:36,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:36,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:36,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:36,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80277854] [2021-04-29 04:20:36,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681878914] [2021-04-29 04:20:36,285 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:36,311 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:20:36,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:36,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:36,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:36,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:36,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:36,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:36,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:36,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:36,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:36,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:36,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:36,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:36,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:36,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:36,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:36,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:36,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:36,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:36,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:36,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:36,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:36,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:36,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:36,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:36,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:36,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:36,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:36,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:36,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:36,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:36,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:36,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:36,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:36,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:36,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:36,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:36,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:36,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:36,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:36,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2021-04-29 04:20:36,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964131204] [2021-04-29 04:20:36,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:36,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:36,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:36,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:36,393 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:36,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 699 transitions, 18743 flow. Second operand has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 11 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:36,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:36,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:36,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:37,262 INFO L129 PetriNetUnfolder]: 395/1296 cut-off events. [2021-04-29 04:20:37,262 INFO L130 PetriNetUnfolder]: For 81885/81885 co-relation queries the response was YES. [2021-04-29 04:20:37,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17053 conditions, 1296 events. 395/1296 cut-off events. For 81885/81885 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 11319 event pairs, 0 based on Foata normal form. 10/1306 useless extension candidates. Maximal degree in co-relation 16771. Up to 636 conditions per place. [2021-04-29 04:20:37,287 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 526 selfloop transitions, 229 changer transitions 0/761 dead transitions. [2021-04-29 04:20:37,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 761 transitions, 22936 flow [2021-04-29 04:20:37,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 04:20:37,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 04:20:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 289 transitions. [2021-04-29 04:20:37,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6689814814814815 [2021-04-29 04:20:37,289 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 289 transitions. [2021-04-29 04:20:37,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 289 transitions. [2021-04-29 04:20:37,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:37,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 289 transitions. [2021-04-29 04:20:37,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 16.055555555555557) internal successors, (289), 18 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:37,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:37,291 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:37,291 INFO L185 Difference]: Start difference. First operand has 456 places, 699 transitions, 18743 flow. Second operand 18 states and 289 transitions. [2021-04-29 04:20:37,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 761 transitions, 22936 flow [2021-04-29 04:20:38,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 761 transitions, 22365 flow, removed 78 selfloop flow, removed 17 redundant places. [2021-04-29 04:20:38,197 INFO L241 Difference]: Finished difference. Result has 458 places, 720 transitions, 19849 flow [2021-04-29 04:20:38,197 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=18098, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=19849, PETRI_PLACES=458, PETRI_TRANSITIONS=720} [2021-04-29 04:20:38,198 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 438 predicate places. [2021-04-29 04:20:38,198 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:38,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 458 places, 720 transitions, 19849 flow [2021-04-29 04:20:38,198 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 458 places, 720 transitions, 19849 flow [2021-04-29 04:20:38,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 458 places, 720 transitions, 19849 flow [2021-04-29 04:20:38,542 INFO L129 PetriNetUnfolder]: 395/1290 cut-off events. [2021-04-29 04:20:38,543 INFO L130 PetriNetUnfolder]: For 83760/83760 co-relation queries the response was YES. [2021-04-29 04:20:38,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16249 conditions, 1290 events. 395/1290 cut-off events. For 83760/83760 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 11451 event pairs, 0 based on Foata normal form. 0/1290 useless extension candidates. Maximal degree in co-relation 16028. Up to 306 conditions per place. [2021-04-29 04:20:38,596 INFO L146 LiptonReduction]: Number of co-enabled transitions 380 [2021-04-29 04:20:38,738 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:38,738 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:38,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 541 [2021-04-29 04:20:38,739 INFO L480 AbstractCegarLoop]: Abstraction has has 458 places, 720 transitions, 19849 flow [2021-04-29 04:20:38,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.272727272727273) internal successors, (157), 11 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:38,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:38,739 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:38,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-04-29 04:20:38,955 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:38,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:38,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1620240974, now seen corresponding path program 19 times [2021-04-29 04:20:38,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:38,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494720440] [2021-04-29 04:20:38,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:38,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:38,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:38,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:38,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:38,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:38,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:38,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:38,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:38,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:38,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:38,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:38,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494720440] [2021-04-29 04:20:38,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148032684] [2021-04-29 04:20:38,994 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:39,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:39,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:39,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:39,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:39,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:39,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:39,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:39,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:39,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:39,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:39,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:39,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:39,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:39,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:39,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:39,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:39,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:39,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:39,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:20:39,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:39,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:39,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:39,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:39,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:39,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:39,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:39,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:39,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:39,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:39,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:39,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:39,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:39,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:39,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:39,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-04-29 04:20:39,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950449224] [2021-04-29 04:20:39,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:20:39,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:39,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:20:39,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:20:39,079 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:39,079 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 720 transitions, 19849 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:39,079 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:39,079 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:39,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:39,954 INFO L129 PetriNetUnfolder]: 394/1286 cut-off events. [2021-04-29 04:20:39,954 INFO L130 PetriNetUnfolder]: For 81869/81869 co-relation queries the response was YES. [2021-04-29 04:20:39,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17143 conditions, 1286 events. 394/1286 cut-off events. For 81869/81869 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 11226 event pairs, 0 based on Foata normal form. 1/1287 useless extension candidates. Maximal degree in co-relation 16860. Up to 373 conditions per place. [2021-04-29 04:20:39,980 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 437 selfloop transitions, 325 changer transitions 3/771 dead transitions. [2021-04-29 04:20:39,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 771 transitions, 22901 flow [2021-04-29 04:20:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 04:20:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 04:20:39,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 201 transitions. [2021-04-29 04:20:39,981 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6442307692307693 [2021-04-29 04:20:39,981 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 201 transitions. [2021-04-29 04:20:39,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 201 transitions. [2021-04-29 04:20:39,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:39,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 201 transitions. [2021-04-29 04:20:39,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 15.461538461538462) internal successors, (201), 13 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:39,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:39,982 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:39,982 INFO L185 Difference]: Start difference. First operand has 458 places, 720 transitions, 19849 flow. Second operand 13 states and 201 transitions. [2021-04-29 04:20:39,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 771 transitions, 22901 flow [2021-04-29 04:20:40,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 771 transitions, 22474 flow, removed 144 selfloop flow, removed 10 redundant places. [2021-04-29 04:20:40,822 INFO L241 Difference]: Finished difference. Result has 462 places, 726 transitions, 20612 flow [2021-04-29 04:20:40,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=19375, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20612, PETRI_PLACES=462, PETRI_TRANSITIONS=726} [2021-04-29 04:20:40,823 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 442 predicate places. [2021-04-29 04:20:40,823 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:40,823 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 726 transitions, 20612 flow [2021-04-29 04:20:40,824 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 726 transitions, 20612 flow [2021-04-29 04:20:40,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 460 places, 726 transitions, 20612 flow [2021-04-29 04:20:41,183 INFO L129 PetriNetUnfolder]: 394/1281 cut-off events. [2021-04-29 04:20:41,183 INFO L130 PetriNetUnfolder]: For 83449/83449 co-relation queries the response was YES. [2021-04-29 04:20:41,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16472 conditions, 1281 events. 394/1281 cut-off events. For 83449/83449 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 11362 event pairs, 0 based on Foata normal form. 0/1281 useless extension candidates. Maximal degree in co-relation 16181. Up to 304 conditions per place. [2021-04-29 04:20:41,218 INFO L146 LiptonReduction]: Number of co-enabled transitions 386 [2021-04-29 04:20:41,316 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:41,316 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:41,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 493 [2021-04-29 04:20:41,317 INFO L480 AbstractCegarLoop]: Abstraction has has 460 places, 726 transitions, 20612 flow [2021-04-29 04:20:41,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:41,317 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:41,317 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:41,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104 [2021-04-29 04:20:41,531 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:41,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:41,532 INFO L82 PathProgramCache]: Analyzing trace with hash 574636164, now seen corresponding path program 20 times [2021-04-29 04:20:41,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:41,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465714846] [2021-04-29 04:20:41,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:41,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:41,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:41,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,571 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:41,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465714846] [2021-04-29 04:20:41,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314309588] [2021-04-29 04:20:41,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:20:41,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:20:41,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:41,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:41,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:41,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:41,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:41,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:41,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:41,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:41,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:41,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:41,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:41,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:41,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:41,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:41,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:41,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:41,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:41,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:20:41,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:41,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:41,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:20:41,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:41,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:41,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:41,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:41,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:41,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:41,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:41,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:41,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:41,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:41,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:41,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:41,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:41,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:41,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:41,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:41,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:41,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:41,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:41,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:41,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-04-29 04:20:41,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698543571] [2021-04-29 04:20:41,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:20:41,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:41,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:20:41,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:20:41,667 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:41,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 726 transitions, 20612 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:41,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:41,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:41,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:42,512 INFO L129 PetriNetUnfolder]: 408/1304 cut-off events. [2021-04-29 04:20:42,512 INFO L130 PetriNetUnfolder]: For 83422/83422 co-relation queries the response was YES. [2021-04-29 04:20:42,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17950 conditions, 1304 events. 408/1304 cut-off events. For 83422/83422 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 11304 event pairs, 0 based on Foata normal form. 8/1312 useless extension candidates. Maximal degree in co-relation 17672. Up to 639 conditions per place. [2021-04-29 04:20:42,549 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 569 selfloop transitions, 210 changer transitions 0/785 dead transitions. [2021-04-29 04:20:42,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 785 transitions, 23802 flow [2021-04-29 04:20:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 04:20:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 04:20:42,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 133 transitions. [2021-04-29 04:20:42,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6927083333333334 [2021-04-29 04:20:42,550 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 133 transitions. [2021-04-29 04:20:42,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 133 transitions. [2021-04-29 04:20:42,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:42,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 133 transitions. [2021-04-29 04:20:42,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 16.625) internal successors, (133), 8 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:42,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:42,552 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:42,552 INFO L185 Difference]: Start difference. First operand has 460 places, 726 transitions, 20612 flow. Second operand 8 states and 133 transitions. [2021-04-29 04:20:42,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 785 transitions, 23802 flow [2021-04-29 04:20:43,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 785 transitions, 23044 flow, removed 182 selfloop flow, removed 8 redundant places. [2021-04-29 04:20:43,428 INFO L241 Difference]: Finished difference. Result has 461 places, 740 transitions, 20735 flow [2021-04-29 04:20:43,429 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=19754, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=722, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=512, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20735, PETRI_PLACES=461, PETRI_TRANSITIONS=740} [2021-04-29 04:20:43,429 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 441 predicate places. [2021-04-29 04:20:43,429 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:43,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 740 transitions, 20735 flow [2021-04-29 04:20:43,430 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 740 transitions, 20735 flow [2021-04-29 04:20:43,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 461 places, 740 transitions, 20735 flow [2021-04-29 04:20:43,784 INFO L129 PetriNetUnfolder]: 408/1308 cut-off events. [2021-04-29 04:20:43,784 INFO L130 PetriNetUnfolder]: For 80618/80618 co-relation queries the response was YES. [2021-04-29 04:20:43,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16673 conditions, 1308 events. 408/1308 cut-off events. For 80618/80618 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 11510 event pairs, 0 based on Foata normal form. 0/1308 useless extension candidates. Maximal degree in co-relation 16408. Up to 294 conditions per place. [2021-04-29 04:20:43,821 INFO L146 LiptonReduction]: Number of co-enabled transitions 382 [2021-04-29 04:20:43,935 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:43,935 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:43,935 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 506 [2021-04-29 04:20:43,936 INFO L480 AbstractCegarLoop]: Abstraction has has 461 places, 740 transitions, 20735 flow [2021-04-29 04:20:43,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:43,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:43,936 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:44,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:44,148 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:44,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:44,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1187174360, now seen corresponding path program 21 times [2021-04-29 04:20:44,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:44,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544945817] [2021-04-29 04:20:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:44,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:44,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:44,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:44,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544945817] [2021-04-29 04:20:44,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721606323] [2021-04-29 04:20:44,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:44,215 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:20:44,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:44,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:44,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:44,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:44,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:44,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:44,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:44,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:44,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:44,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:44,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:44,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:44,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:44,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:44,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:44,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:44,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:44,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:44,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:44,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:44,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:44,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:44,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:44,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:44,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:44,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:44,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:44,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:44,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:44,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:44,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:44,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:44,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:44,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:44,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:44,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:44,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:44,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:44,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:44,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:44,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:44,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:44,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:44,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-04-29 04:20:44,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072786877] [2021-04-29 04:20:44,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:44,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:44,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:44,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:44,294 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:44,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 740 transitions, 20735 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:44,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:44,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:44,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:45,176 INFO L129 PetriNetUnfolder]: 419/1328 cut-off events. [2021-04-29 04:20:45,176 INFO L130 PetriNetUnfolder]: For 81498/81498 co-relation queries the response was YES. [2021-04-29 04:20:45,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18192 conditions, 1328 events. 419/1328 cut-off events. For 81498/81498 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 11496 event pairs, 0 based on Foata normal form. 11/1339 useless extension candidates. Maximal degree in co-relation 17929. Up to 734 conditions per place. [2021-04-29 04:20:45,202 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 558 selfloop transitions, 205 changer transitions 1/770 dead transitions. [2021-04-29 04:20:45,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 770 transitions, 23389 flow [2021-04-29 04:20:45,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 04:20:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 04:20:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 228 transitions. [2021-04-29 04:20:45,203 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6785714285714286 [2021-04-29 04:20:45,203 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 228 transitions. [2021-04-29 04:20:45,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 228 transitions. [2021-04-29 04:20:45,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:45,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 228 transitions. [2021-04-29 04:20:45,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 16.285714285714285) internal successors, (228), 14 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:45,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:45,205 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:45,205 INFO L185 Difference]: Start difference. First operand has 461 places, 740 transitions, 20735 flow. Second operand 14 states and 228 transitions. [2021-04-29 04:20:45,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 770 transitions, 23389 flow [2021-04-29 04:20:46,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 770 transitions, 22899 flow, removed 26 selfloop flow, removed 7 redundant places. [2021-04-29 04:20:46,112 INFO L241 Difference]: Finished difference. Result has 468 places, 748 transitions, 21134 flow [2021-04-29 04:20:46,113 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=19953, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=728, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21134, PETRI_PLACES=468, PETRI_TRANSITIONS=748} [2021-04-29 04:20:46,113 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 448 predicate places. [2021-04-29 04:20:46,113 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:46,113 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 468 places, 748 transitions, 21134 flow [2021-04-29 04:20:46,113 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 468 places, 748 transitions, 21134 flow [2021-04-29 04:20:46,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 748 transitions, 21134 flow [2021-04-29 04:20:46,475 INFO L129 PetriNetUnfolder]: 419/1326 cut-off events. [2021-04-29 04:20:46,476 INFO L130 PetriNetUnfolder]: For 80577/80577 co-relation queries the response was YES. [2021-04-29 04:20:46,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17314 conditions, 1326 events. 419/1326 cut-off events. For 80577/80577 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 11605 event pairs, 0 based on Foata normal form. 0/1326 useless extension candidates. Maximal degree in co-relation 17056. Up to 320 conditions per place. [2021-04-29 04:20:46,511 INFO L146 LiptonReduction]: Number of co-enabled transitions 376 [2021-04-29 04:20:46,611 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:46,611 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:46,611 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-04-29 04:20:46,611 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 748 transitions, 21134 flow [2021-04-29 04:20:46,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:46,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:46,612 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:46,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-04-29 04:20:46,812 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:46,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:46,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1301633304, now seen corresponding path program 22 times [2021-04-29 04:20:46,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:46,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797003149] [2021-04-29 04:20:46,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:46,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:46,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:46,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:46,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797003149] [2021-04-29 04:20:46,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776020588] [2021-04-29 04:20:46,851 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:46,874 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:20:46,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:46,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:46,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:46,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:46,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:46,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:46,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:46,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:46,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:46,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:46,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:46,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:46,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:46,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:46,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:46,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:46,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:46,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:46,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:46,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:46,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:46,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:46,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:46,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:46,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:46,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:46,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:46,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:46,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:46,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:46,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:20:46,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:46,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:46,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:46,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-04-29 04:20:46,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906307327] [2021-04-29 04:20:46,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:46,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:46,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:46,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:46,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:46,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 748 transitions, 21134 flow. Second operand has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:46,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:46,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:46,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:47,926 INFO L129 PetriNetUnfolder]: 432/1383 cut-off events. [2021-04-29 04:20:47,926 INFO L130 PetriNetUnfolder]: For 88873/88873 co-relation queries the response was YES. [2021-04-29 04:20:47,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19353 conditions, 1383 events. 432/1383 cut-off events. For 88873/88873 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 12172 event pairs, 0 based on Foata normal form. 4/1387 useless extension candidates. Maximal degree in co-relation 19023. Up to 535 conditions per place. [2021-04-29 04:20:47,954 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 513 selfloop transitions, 317 changer transitions 0/836 dead transitions. [2021-04-29 04:20:47,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 836 transitions, 26179 flow [2021-04-29 04:20:47,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 04:20:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 04:20:47,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 358 transitions. [2021-04-29 04:20:47,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.678030303030303 [2021-04-29 04:20:47,955 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 358 transitions. [2021-04-29 04:20:47,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 358 transitions. [2021-04-29 04:20:47,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:47,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 358 transitions. [2021-04-29 04:20:47,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 16.272727272727273) internal successors, (358), 22 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:47,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 24.0) internal successors, (552), 23 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:47,957 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 24.0) internal successors, (552), 23 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:47,957 INFO L185 Difference]: Start difference. First operand has 467 places, 748 transitions, 21134 flow. Second operand 22 states and 358 transitions. [2021-04-29 04:20:47,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 487 places, 836 transitions, 26179 flow [2021-04-29 04:20:48,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 836 transitions, 25747 flow, removed 84 selfloop flow, removed 10 redundant places. [2021-04-29 04:20:48,915 INFO L241 Difference]: Finished difference. Result has 480 places, 770 transitions, 22581 flow [2021-04-29 04:20:48,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=20609, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=744, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=293, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=22581, PETRI_PLACES=480, PETRI_TRANSITIONS=770} [2021-04-29 04:20:48,917 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 460 predicate places. [2021-04-29 04:20:48,917 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:48,917 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 480 places, 770 transitions, 22581 flow [2021-04-29 04:20:48,917 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 480 places, 770 transitions, 22581 flow [2021-04-29 04:20:48,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 480 places, 770 transitions, 22581 flow [2021-04-29 04:20:49,338 INFO L129 PetriNetUnfolder]: 432/1381 cut-off events. [2021-04-29 04:20:49,338 INFO L130 PetriNetUnfolder]: For 92261/92261 co-relation queries the response was YES. [2021-04-29 04:20:49,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18640 conditions, 1381 events. 432/1381 cut-off events. For 92261/92261 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 12315 event pairs, 0 based on Foata normal form. 0/1381 useless extension candidates. Maximal degree in co-relation 18326. Up to 328 conditions per place. [2021-04-29 04:20:49,376 INFO L146 LiptonReduction]: Number of co-enabled transitions 384 [2021-04-29 04:20:49,487 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:49,487 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:49,487 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 570 [2021-04-29 04:20:49,487 INFO L480 AbstractCegarLoop]: Abstraction has has 480 places, 770 transitions, 22581 flow [2021-04-29 04:20:49,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:49,488 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:49,488 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:49,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:49,688 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:49,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:49,689 INFO L82 PathProgramCache]: Analyzing trace with hash -970059474, now seen corresponding path program 23 times [2021-04-29 04:20:49,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:49,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223478433] [2021-04-29 04:20:49,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:49,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:49,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:49,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223478433] [2021-04-29 04:20:49,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393157810] [2021-04-29 04:20:49,726 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:20:49,772 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:20:49,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:49,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:49,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:49,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:49,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:49,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:49,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:49,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:49,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:49,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:49,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:49,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:49,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:49,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:49,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:49,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:49,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:49,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:49,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:49,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:49,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:49,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:49,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:49,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:49,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:49,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:49,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:49,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:49,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:49,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:49,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:49,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:49,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:49,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-04-29 04:20:49,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661157938] [2021-04-29 04:20:49,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:49,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:49,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:49,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:49,847 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:49,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 770 transitions, 22581 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:49,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:49,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:49,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:50,902 INFO L129 PetriNetUnfolder]: 428/1374 cut-off events. [2021-04-29 04:20:50,902 INFO L130 PetriNetUnfolder]: For 92207/92207 co-relation queries the response was YES. [2021-04-29 04:20:50,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19561 conditions, 1374 events. 428/1374 cut-off events. For 92207/92207 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 12107 event pairs, 0 based on Foata normal form. 5/1379 useless extension candidates. Maximal degree in co-relation 19294. Up to 352 conditions per place. [2021-04-29 04:20:50,929 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 407 selfloop transitions, 414 changer transitions 1/828 dead transitions. [2021-04-29 04:20:50,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 828 transitions, 26230 flow [2021-04-29 04:20:50,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-29 04:20:50,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-04-29 04:20:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 468 transitions. [2021-04-29 04:20:50,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.65 [2021-04-29 04:20:50,931 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 468 transitions. [2021-04-29 04:20:50,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 468 transitions. [2021-04-29 04:20:50,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:50,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 468 transitions. [2021-04-29 04:20:50,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 15.6) internal successors, (468), 30 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:50,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 24.0) internal successors, (744), 31 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:50,933 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 24.0) internal successors, (744), 31 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:50,933 INFO L185 Difference]: Start difference. First operand has 480 places, 770 transitions, 22581 flow. Second operand 30 states and 468 transitions. [2021-04-29 04:20:50,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 828 transitions, 26230 flow [2021-04-29 04:20:51,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 828 transitions, 25778 flow, removed 152 selfloop flow, removed 12 redundant places. [2021-04-29 04:20:51,965 INFO L241 Difference]: Finished difference. Result has 499 places, 775 transitions, 23506 flow [2021-04-29 04:20:51,965 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=21929, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=764, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=403, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=23506, PETRI_PLACES=499, PETRI_TRANSITIONS=775} [2021-04-29 04:20:51,965 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 479 predicate places. [2021-04-29 04:20:51,966 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:51,966 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 499 places, 775 transitions, 23506 flow [2021-04-29 04:20:51,966 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 499 places, 775 transitions, 23506 flow [2021-04-29 04:20:51,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 497 places, 775 transitions, 23506 flow [2021-04-29 04:20:52,385 INFO L129 PetriNetUnfolder]: 428/1362 cut-off events. [2021-04-29 04:20:52,385 INFO L130 PetriNetUnfolder]: For 90640/90640 co-relation queries the response was YES. [2021-04-29 04:20:52,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18902 conditions, 1362 events. 428/1362 cut-off events. For 90640/90640 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 12063 event pairs, 0 based on Foata normal form. 0/1362 useless extension candidates. Maximal degree in co-relation 18636. Up to 327 conditions per place. [2021-04-29 04:20:52,424 INFO L146 LiptonReduction]: Number of co-enabled transitions 384 [2021-04-29 04:20:52,527 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:52,527 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:52,527 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 561 [2021-04-29 04:20:52,527 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 775 transitions, 23506 flow [2021-04-29 04:20:52,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:52,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:52,528 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:52,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable108 [2021-04-29 04:20:52,743 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:52,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:52,743 INFO L82 PathProgramCache]: Analyzing trace with hash -937766030, now seen corresponding path program 24 times [2021-04-29 04:20:52,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:52,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842510125] [2021-04-29 04:20:52,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:52,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:52,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:52,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842510125] [2021-04-29 04:20:52,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870850731] [2021-04-29 04:20:52,781 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:52,802 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-04-29 04:20:52,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:52,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 04:20:52,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:52,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:52,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:52,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:52,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:52,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:52,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:52,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:52,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:52,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:52,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:52,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:52,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:52,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:52,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:52,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:52,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:52,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:52,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:52,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:52,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:52,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:52,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:52,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:52,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:52,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:52,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:52,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:52,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:52,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:52,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:52,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:52,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:52,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-04-29 04:20:52,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794686898] [2021-04-29 04:20:52,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 04:20:52,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:52,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 04:20:52,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-04-29 04:20:52,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:52,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 775 transitions, 23506 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:52,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:52,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:52,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:54,212 INFO L129 PetriNetUnfolder]: 428/1362 cut-off events. [2021-04-29 04:20:54,212 INFO L130 PetriNetUnfolder]: For 89624/89624 co-relation queries the response was YES. [2021-04-29 04:20:54,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19830 conditions, 1362 events. 428/1362 cut-off events. For 89624/89624 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 11893 event pairs, 0 based on Foata normal form. 3/1365 useless extension candidates. Maximal degree in co-relation 19557. Up to 497 conditions per place. [2021-04-29 04:20:54,240 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 480 selfloop transitions, 312 changer transitions 1/799 dead transitions. [2021-04-29 04:20:54,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 799 transitions, 26065 flow [2021-04-29 04:20:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 04:20:54,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 04:20:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 296 transitions. [2021-04-29 04:20:54,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6491228070175439 [2021-04-29 04:20:54,241 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 296 transitions. [2021-04-29 04:20:54,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 296 transitions. [2021-04-29 04:20:54,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:54,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 296 transitions. [2021-04-29 04:20:54,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 15.578947368421053) internal successors, (296), 19 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:54,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 24.0) internal successors, (480), 20 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:54,243 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 24.0) internal successors, (480), 20 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:54,243 INFO L185 Difference]: Start difference. First operand has 497 places, 775 transitions, 23506 flow. Second operand 19 states and 296 transitions. [2021-04-29 04:20:54,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 799 transitions, 26065 flow [2021-04-29 04:20:55,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 799 transitions, 25371 flow, removed 189 selfloop flow, removed 18 redundant places. [2021-04-29 04:20:55,353 INFO L241 Difference]: Finished difference. Result has 498 places, 779 transitions, 23760 flow [2021-04-29 04:20:55,354 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=22683, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=771, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=23760, PETRI_PLACES=498, PETRI_TRANSITIONS=779} [2021-04-29 04:20:55,354 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 478 predicate places. [2021-04-29 04:20:55,354 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:55,354 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 779 transitions, 23760 flow [2021-04-29 04:20:55,354 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 779 transitions, 23760 flow [2021-04-29 04:20:55,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 779 transitions, 23760 flow [2021-04-29 04:20:55,835 INFO L129 PetriNetUnfolder]: 428/1359 cut-off events. [2021-04-29 04:20:55,835 INFO L130 PetriNetUnfolder]: For 87332/87332 co-relation queries the response was YES. [2021-04-29 04:20:55,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18908 conditions, 1359 events. 428/1359 cut-off events. For 87332/87332 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 11990 event pairs, 0 based on Foata normal form. 0/1359 useless extension candidates. Maximal degree in co-relation 18637. Up to 325 conditions per place. [2021-04-29 04:20:55,878 INFO L146 LiptonReduction]: Number of co-enabled transitions 378 [2021-04-29 04:20:56,047 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:56,047 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:56,048 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 694 [2021-04-29 04:20:56,048 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 779 transitions, 23760 flow [2021-04-29 04:20:56,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:56,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:56,048 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:56,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:56,263 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:56,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:56,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1193952816, now seen corresponding path program 29 times [2021-04-29 04:20:56,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:56,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379378327] [2021-04-29 04:20:56,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:56,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:56,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:56,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:56,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:56,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:56,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:56,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:56,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:56,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379378327] [2021-04-29 04:20:56,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114429673] [2021-04-29 04:20:56,306 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:56,334 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:20:56,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:20:56,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:20:56,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:56,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:56,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:56,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:56,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:56,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:56,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:56,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:56,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:56,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:56,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:56,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:56,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:56,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:20:56,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:56,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:56,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:56,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:56,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:56,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:56,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:56,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:56,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:56,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:56,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:56,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:56,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:56,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:20:56,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:56,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:20:56,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:20:56,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-04-29 04:20:56,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761953221] [2021-04-29 04:20:56,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 04:20:56,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:20:56,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 04:20:56,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-04-29 04:20:56,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:20:56,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 779 transitions, 23760 flow. Second operand has 15 states, 15 states have (on average 14.066666666666666) internal successors, (211), 15 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:56,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:20:56,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:20:56,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:20:57,757 INFO L129 PetriNetUnfolder]: 471/1533 cut-off events. [2021-04-29 04:20:57,757 INFO L130 PetriNetUnfolder]: For 110961/110961 co-relation queries the response was YES. [2021-04-29 04:20:57,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22703 conditions, 1533 events. 471/1533 cut-off events. For 110961/110961 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 13981 event pairs, 0 based on Foata normal form. 9/1542 useless extension candidates. Maximal degree in co-relation 22368. Up to 633 conditions per place. [2021-04-29 04:20:57,787 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 594 selfloop transitions, 285 changer transitions 11/896 dead transitions. [2021-04-29 04:20:57,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 896 transitions, 30291 flow [2021-04-29 04:20:57,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 04:20:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 04:20:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 431 transitions. [2021-04-29 04:20:57,789 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6413690476190477 [2021-04-29 04:20:57,789 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 431 transitions. [2021-04-29 04:20:57,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 431 transitions. [2021-04-29 04:20:57,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:20:57,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 431 transitions. [2021-04-29 04:20:57,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 15.392857142857142) internal successors, (431), 28 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:57,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 24.0) internal successors, (696), 29 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:57,790 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 24.0) internal successors, (696), 29 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:57,790 INFO L185 Difference]: Start difference. First operand has 496 places, 779 transitions, 23760 flow. Second operand 28 states and 431 transitions. [2021-04-29 04:20:57,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 896 transitions, 30291 flow [2021-04-29 04:20:58,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 896 transitions, 29701 flow, removed 58 selfloop flow, removed 10 redundant places. [2021-04-29 04:20:59,006 INFO L241 Difference]: Finished difference. Result has 524 places, 862 transitions, 27725 flow [2021-04-29 04:20:59,007 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=23207, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=27725, PETRI_PLACES=524, PETRI_TRANSITIONS=862} [2021-04-29 04:20:59,008 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 504 predicate places. [2021-04-29 04:20:59,008 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:59,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 862 transitions, 27725 flow [2021-04-29 04:20:59,008 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 862 transitions, 27725 flow [2021-04-29 04:20:59,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 521 places, 862 transitions, 27725 flow [2021-04-29 04:20:59,465 INFO L129 PetriNetUnfolder]: 469/1511 cut-off events. [2021-04-29 04:20:59,465 INFO L130 PetriNetUnfolder]: For 114640/114640 co-relation queries the response was YES. [2021-04-29 04:20:59,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21646 conditions, 1511 events. 469/1511 cut-off events. For 114640/114640 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 13825 event pairs, 0 based on Foata normal form. 0/1511 useless extension candidates. Maximal degree in co-relation 21384. Up to 349 conditions per place. [2021-04-29 04:20:59,507 INFO L146 LiptonReduction]: Number of co-enabled transitions 408 [2021-04-29 04:20:59,645 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:59,645 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:59,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 637 [2021-04-29 04:20:59,645 INFO L480 AbstractCegarLoop]: Abstraction has has 521 places, 862 transitions, 27725 flow [2021-04-29 04:20:59,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 14.066666666666666) internal successors, (211), 15 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:59,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:59,645 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:20:59,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:59,858 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:20:59,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:59,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1914675964, now seen corresponding path program 30 times [2021-04-29 04:20:59,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:59,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088294442] [2021-04-29 04:20:59,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:59,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:59,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:59,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:59,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:59,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:59,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:59,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:20:59,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,894 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:20:59,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088294442] [2021-04-29 04:20:59,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938022229] [2021-04-29 04:20:59,894 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:20:59,918 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:20:59,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:20:59,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:20:59,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:20:59,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:59,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:59,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:59,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:59,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:20:59,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:59,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:59,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:59,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:59,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:59,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:59,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:59,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:59,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:59,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:59,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:59,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:59,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:59,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:59,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:20:59,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:20:59,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:59,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:59,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:20:59,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:20:59,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:59,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:59,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:00,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:00,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:00,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:00,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:00,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:00,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:00,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:00,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:00,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:00,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:00,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:00,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:00,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:00,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:00,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:00,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:00,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:00,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:21:00,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:00,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:00,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:00,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:00,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:00,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:00,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:21:00,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 13 [2021-04-29 04:21:00,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313591883] [2021-04-29 04:21:00,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:21:00,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:21:00,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:21:00,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:21:00,028 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:21:00,028 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 862 transitions, 27725 flow. Second operand has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:00,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:21:00,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:21:00,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:21:01,408 INFO L129 PetriNetUnfolder]: 530/1690 cut-off events. [2021-04-29 04:21:01,408 INFO L130 PetriNetUnfolder]: For 149205/149210 co-relation queries the response was YES. [2021-04-29 04:21:01,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26629 conditions, 1690 events. 530/1690 cut-off events. For 149205/149210 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 15557 event pairs, 0 based on Foata normal form. 46/1736 useless extension candidates. Maximal degree in co-relation 26431. Up to 973 conditions per place. [2021-04-29 04:21:01,444 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 776 selfloop transitions, 210 changer transitions 8/1000 dead transitions. [2021-04-29 04:21:01,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 1000 transitions, 36677 flow [2021-04-29 04:21:01,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 04:21:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 04:21:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 280 transitions. [2021-04-29 04:21:01,445 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6862745098039216 [2021-04-29 04:21:01,445 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 280 transitions. [2021-04-29 04:21:01,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 280 transitions. [2021-04-29 04:21:01,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:21:01,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 280 transitions. [2021-04-29 04:21:01,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 16.470588235294116) internal successors, (280), 17 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:01,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 24.0) internal successors, (432), 18 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:01,446 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 24.0) internal successors, (432), 18 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:01,446 INFO L185 Difference]: Start difference. First operand has 521 places, 862 transitions, 27725 flow. Second operand 17 states and 280 transitions. [2021-04-29 04:21:01,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 1000 transitions, 36677 flow [2021-04-29 04:21:02,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 1000 transitions, 33333 flow, removed 1518 selfloop flow, removed 9 redundant places. [2021-04-29 04:21:02,882 INFO L241 Difference]: Finished difference. Result has 537 places, 945 transitions, 29918 flow [2021-04-29 04:21:02,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=25768, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=856, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=29918, PETRI_PLACES=537, PETRI_TRANSITIONS=945} [2021-04-29 04:21:02,883 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 517 predicate places. [2021-04-29 04:21:02,883 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:21:02,883 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 537 places, 945 transitions, 29918 flow [2021-04-29 04:21:02,883 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 537 places, 945 transitions, 29918 flow [2021-04-29 04:21:02,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 537 places, 945 transitions, 29918 flow [2021-04-29 04:21:03,432 INFO L129 PetriNetUnfolder]: 529/1672 cut-off events. [2021-04-29 04:21:03,432 INFO L130 PetriNetUnfolder]: For 121349/121351 co-relation queries the response was YES. [2021-04-29 04:21:03,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23855 conditions, 1672 events. 529/1672 cut-off events. For 121349/121351 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 15414 event pairs, 0 based on Foata normal form. 0/1672 useless extension candidates. Maximal degree in co-relation 23565. Up to 368 conditions per place. [2021-04-29 04:21:03,486 INFO L146 LiptonReduction]: Number of co-enabled transitions 470 [2021-04-29 04:21:03,647 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:21:03,647 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:21:03,647 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 764 [2021-04-29 04:21:03,647 INFO L480 AbstractCegarLoop]: Abstraction has has 537 places, 945 transitions, 29918 flow [2021-04-29 04:21:03,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:03,648 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:21:03,648 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:21:03,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:03,848 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:21:03,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:21:03,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1594889948, now seen corresponding path program 31 times [2021-04-29 04:21:03,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:21:03,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193302505] [2021-04-29 04:21:03,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:21:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:03,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:03,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:03,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:03,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:03,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:03,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:03,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:21:03,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193302505] [2021-04-29 04:21:03,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974087892] [2021-04-29 04:21:03,899 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:03,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:21:03,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:21:03,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:03,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:03,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:03,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:03,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:03,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:03,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:03,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:03,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:03,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:03,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:03,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:03,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:03,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:03,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:03,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:03,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:03,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:03,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:03,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:03,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:03,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:03,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:03,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:03,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:03,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:03,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:03,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:03,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:03,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:03,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:03,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:03,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:03,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:03,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:03,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:03,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:03,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:03,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:03,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:03,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:04,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:04,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:04,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:04,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:04,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:04,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:04,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:04,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:04,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:04,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:04,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:04,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:04,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:04,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:04,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:04,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:04,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:04,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:04,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:21:04,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:04,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:04,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:04,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:04,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:04,036 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:04,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:21:04,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2021-04-29 04:21:04,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427468435] [2021-04-29 04:21:04,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:21:04,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:21:04,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:21:04,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:21:04,038 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:21:04,038 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 945 transitions, 29918 flow. Second operand has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:04,038 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:21:04,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:21:04,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:21:05,357 INFO L129 PetriNetUnfolder]: 550/1721 cut-off events. [2021-04-29 04:21:05,358 INFO L130 PetriNetUnfolder]: For 127230/127230 co-relation queries the response was YES. [2021-04-29 04:21:05,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26188 conditions, 1721 events. 550/1721 cut-off events. For 127230/127230 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 15736 event pairs, 0 based on Foata normal form. 9/1730 useless extension candidates. Maximal degree in co-relation 25891. Up to 1159 conditions per place. [2021-04-29 04:21:05,409 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 872 selfloop transitions, 119 changer transitions 0/997 dead transitions. [2021-04-29 04:21:05,409 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 997 transitions, 34405 flow [2021-04-29 04:21:05,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 04:21:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 04:21:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 243 transitions. [2021-04-29 04:21:05,410 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.675 [2021-04-29 04:21:05,410 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 243 transitions. [2021-04-29 04:21:05,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 243 transitions. [2021-04-29 04:21:05,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:21:05,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 243 transitions. [2021-04-29 04:21:05,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 16.2) internal successors, (243), 15 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:05,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:05,411 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:05,411 INFO L185 Difference]: Start difference. First operand has 537 places, 945 transitions, 29918 flow. Second operand 15 states and 243 transitions. [2021-04-29 04:21:05,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 997 transitions, 34405 flow [2021-04-29 04:21:06,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 997 transitions, 32147 flow, removed 1099 selfloop flow, removed 5 redundant places. [2021-04-29 04:21:06,922 INFO L241 Difference]: Finished difference. Result has 551 places, 976 transitions, 29859 flow [2021-04-29 04:21:06,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=28497, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=943, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=825, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=29859, PETRI_PLACES=551, PETRI_TRANSITIONS=976} [2021-04-29 04:21:06,923 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 531 predicate places. [2021-04-29 04:21:06,923 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:21:06,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 551 places, 976 transitions, 29859 flow [2021-04-29 04:21:06,923 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 551 places, 976 transitions, 29859 flow [2021-04-29 04:21:06,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 551 places, 976 transitions, 29859 flow [2021-04-29 04:21:07,505 INFO L129 PetriNetUnfolder]: 550/1715 cut-off events. [2021-04-29 04:21:07,505 INFO L130 PetriNetUnfolder]: For 111332/111332 co-relation queries the response was YES. [2021-04-29 04:21:07,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23762 conditions, 1715 events. 550/1715 cut-off events. For 111332/111332 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 15825 event pairs, 0 based on Foata normal form. 0/1715 useless extension candidates. Maximal degree in co-relation 23466. Up to 344 conditions per place. [2021-04-29 04:21:07,556 INFO L146 LiptonReduction]: Number of co-enabled transitions 500 [2021-04-29 04:21:07,703 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:21:07,703 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:21:07,703 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 780 [2021-04-29 04:21:07,703 INFO L480 AbstractCegarLoop]: Abstraction has has 551 places, 976 transitions, 29859 flow [2021-04-29 04:21:07,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:07,704 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:21:07,704 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:21:07,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-04-29 04:21:07,904 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:21:07,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:21:07,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1381069396, now seen corresponding path program 32 times [2021-04-29 04:21:07,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:21:07,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355598539] [2021-04-29 04:21:07,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:21:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:07,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:07,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:07,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:07,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:07,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:07,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:07,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:07,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:07,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355598539] [2021-04-29 04:21:07,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799132570] [2021-04-29 04:21:07,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:21:07,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:21:07,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:07,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:21:07,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:21:07,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:07,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:07,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:07,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:07,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:07,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:07,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:07,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:07,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:07,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:07,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:07,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:07,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:07,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:07,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:07,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:07,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:07,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:07,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:08,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:08,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:08,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:08,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:08,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:08,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:08,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:08,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:08,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:08,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:08,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:08,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:08,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:08,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:08,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:08,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:08,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:08,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:08,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:08,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:08,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:08,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:08,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:08,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:08,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:08,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:08,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:21:08,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:08,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:08,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:21:08,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 13 [2021-04-29 04:21:08,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980323018] [2021-04-29 04:21:08,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:21:08,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:21:08,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:21:08,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:21:08,084 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:21:08,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 976 transitions, 29859 flow. Second operand has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:08,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:21:08,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:21:08,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:21:09,945 INFO L129 PetriNetUnfolder]: 591/1854 cut-off events. [2021-04-29 04:21:09,945 INFO L130 PetriNetUnfolder]: For 126862/126862 co-relation queries the response was YES. [2021-04-29 04:21:09,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27318 conditions, 1854 events. 591/1854 cut-off events. For 126862/126862 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 17163 event pairs, 0 based on Foata normal form. 12/1866 useless extension candidates. Maximal degree in co-relation 27015. Up to 587 conditions per place. [2021-04-29 04:21:09,994 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 557 selfloop transitions, 526 changer transitions 2/1091 dead transitions. [2021-04-29 04:21:09,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 1091 transitions, 36578 flow [2021-04-29 04:21:09,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-04-29 04:21:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-04-29 04:21:09,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 422 transitions. [2021-04-29 04:21:09,996 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6512345679012346 [2021-04-29 04:21:09,996 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 422 transitions. [2021-04-29 04:21:09,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 422 transitions. [2021-04-29 04:21:09,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:21:09,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 422 transitions. [2021-04-29 04:21:09,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 15.62962962962963) internal successors, (422), 27 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:09,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 24.0) internal successors, (672), 28 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:09,998 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 24.0) internal successors, (672), 28 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:09,998 INFO L185 Difference]: Start difference. First operand has 551 places, 976 transitions, 29859 flow. Second operand 27 states and 422 transitions. [2021-04-29 04:21:09,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 1091 transitions, 36578 flow [2021-04-29 04:21:11,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 1091 transitions, 36122 flow, removed 196 selfloop flow, removed 6 redundant places. [2021-04-29 04:21:11,672 INFO L241 Difference]: Finished difference. Result has 580 places, 1061 transitions, 34644 flow [2021-04-29 04:21:11,673 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=29310, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=438, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=34644, PETRI_PLACES=580, PETRI_TRANSITIONS=1061} [2021-04-29 04:21:11,673 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 560 predicate places. [2021-04-29 04:21:11,673 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:21:11,673 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 580 places, 1061 transitions, 34644 flow [2021-04-29 04:21:11,673 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 580 places, 1061 transitions, 34644 flow [2021-04-29 04:21:11,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 579 places, 1061 transitions, 34644 flow [2021-04-29 04:21:12,335 INFO L129 PetriNetUnfolder]: 591/1855 cut-off events. [2021-04-29 04:21:12,336 INFO L130 PetriNetUnfolder]: For 131393/131393 co-relation queries the response was YES. [2021-04-29 04:21:12,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26735 conditions, 1855 events. 591/1855 cut-off events. For 131393/131393 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 17305 event pairs, 0 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 26378. Up to 359 conditions per place. [2021-04-29 04:21:12,394 INFO L146 LiptonReduction]: Number of co-enabled transitions 558 [2021-04-29 04:21:12,578 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:21:12,578 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:21:12,579 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 906 [2021-04-29 04:21:12,579 INFO L480 AbstractCegarLoop]: Abstraction has has 579 places, 1061 transitions, 34644 flow [2021-04-29 04:21:12,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:12,579 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:21:12,579 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:21:12,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-04-29 04:21:12,780 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:21:12,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:21:12,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1599020352, now seen corresponding path program 33 times [2021-04-29 04:21:12,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:21:12,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700695795] [2021-04-29 04:21:12,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:21:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:12,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:12,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:12,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:12,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:12,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:12,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:12,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:12,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,815 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:12,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700695795] [2021-04-29 04:21:12,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993922982] [2021-04-29 04:21:12,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:12,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 04:21:12,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:21:12,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:21:12,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:21:12,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:12,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:12,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:12,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:12,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:12,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:12,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:12,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:12,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:12,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:12,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:12,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:12,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:12,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:12,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:12,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:12,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:12,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:12,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:12,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:12,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:12,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:12,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:12,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:12,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:12,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:12,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:21:12,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:12,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:12,946 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:12,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:21:12,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 13 [2021-04-29 04:21:12,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081940889] [2021-04-29 04:21:12,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:21:12,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:21:12,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:21:12,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:21:12,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:21:12,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 579 places, 1061 transitions, 34644 flow. Second operand has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 13 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:12,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:21:12,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:21:12,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:21:14,649 INFO L129 PetriNetUnfolder]: 614/1947 cut-off events. [2021-04-29 04:21:14,649 INFO L130 PetriNetUnfolder]: For 152971/152971 co-relation queries the response was YES. [2021-04-29 04:21:14,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30064 conditions, 1947 events. 614/1947 cut-off events. For 152971/152971 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 18271 event pairs, 0 based on Foata normal form. 11/1958 useless extension candidates. Maximal degree in co-relation 29746. Up to 1180 conditions per place. [2021-04-29 04:21:14,695 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 963 selfloop transitions, 164 changer transitions 0/1133 dead transitions. [2021-04-29 04:21:14,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 592 places, 1133 transitions, 40808 flow [2021-04-29 04:21:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 04:21:14,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 04:21:14,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 256 transitions. [2021-04-29 04:21:14,696 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-04-29 04:21:14,696 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 256 transitions. [2021-04-29 04:21:14,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 256 transitions. [2021-04-29 04:21:14,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:21:14,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 256 transitions. [2021-04-29 04:21:14,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 16.0) internal successors, (256), 16 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:14,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 24.0) internal successors, (408), 17 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:14,697 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 24.0) internal successors, (408), 17 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:14,697 INFO L185 Difference]: Start difference. First operand has 579 places, 1061 transitions, 34644 flow. Second operand 16 states and 256 transitions. [2021-04-29 04:21:14,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 592 places, 1133 transitions, 40808 flow [2021-04-29 04:21:16,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 1133 transitions, 39077 flow, removed 632 selfloop flow, removed 6 redundant places. [2021-04-29 04:21:16,753 INFO L241 Difference]: Finished difference. Result has 591 places, 1087 transitions, 35022 flow [2021-04-29 04:21:16,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=32749, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=911, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=35022, PETRI_PLACES=591, PETRI_TRANSITIONS=1087} [2021-04-29 04:21:16,754 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 571 predicate places. [2021-04-29 04:21:16,754 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:21:16,754 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 591 places, 1087 transitions, 35022 flow [2021-04-29 04:21:16,754 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 591 places, 1087 transitions, 35022 flow [2021-04-29 04:21:16,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 591 places, 1087 transitions, 35022 flow [2021-04-29 04:21:17,545 INFO L129 PetriNetUnfolder]: 614/1946 cut-off events. [2021-04-29 04:21:17,545 INFO L130 PetriNetUnfolder]: For 139163/139163 co-relation queries the response was YES. [2021-04-29 04:21:17,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27928 conditions, 1946 events. 614/1946 cut-off events. For 139163/139163 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 18455 event pairs, 0 based on Foata normal form. 0/1946 useless extension candidates. Maximal degree in co-relation 27565. Up to 376 conditions per place. [2021-04-29 04:21:17,605 INFO L146 LiptonReduction]: Number of co-enabled transitions 570 [2021-04-29 04:21:17,803 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:21:17,803 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:21:17,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1049 [2021-04-29 04:21:17,804 INFO L480 AbstractCegarLoop]: Abstraction has has 591 places, 1087 transitions, 35022 flow [2021-04-29 04:21:17,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 13 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:17,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:21:17,804 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:21:18,004 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-04-29 04:21:18,005 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:21:18,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:21:18,005 INFO L82 PathProgramCache]: Analyzing trace with hash 723999916, now seen corresponding path program 34 times [2021-04-29 04:21:18,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:21:18,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104466832] [2021-04-29 04:21:18,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:21:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:18,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:18,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:18,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:18,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:18,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:18,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:18,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:18,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:21:18,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104466832] [2021-04-29 04:21:18,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409808911] [2021-04-29 04:21:18,041 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:18,063 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:21:18,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:21:18,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:21:18,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:21:18,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:18,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:18,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:18,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:18,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:18,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:18,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:18,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:18,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:18,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:18,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:18,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:18,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:18,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:18,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:18,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:18,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:18,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:18,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:18,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:18,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:18,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:18,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:18,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:18,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:18,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:18,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:21:18,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:18,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:18,167 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:18,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:21:18,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 13 [2021-04-29 04:21:18,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83506279] [2021-04-29 04:21:18,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:21:18,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:21:18,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:21:18,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:21:18,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:21:18,168 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 1087 transitions, 35022 flow. Second operand has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:18,168 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:21:18,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:21:18,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:21:20,373 INFO L129 PetriNetUnfolder]: 685/2219 cut-off events. [2021-04-29 04:21:20,373 INFO L130 PetriNetUnfolder]: For 174095/174095 co-relation queries the response was YES. [2021-04-29 04:21:20,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34086 conditions, 2219 events. 685/2219 cut-off events. For 174095/174095 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 21627 event pairs, 0 based on Foata normal form. 15/2234 useless extension candidates. Maximal degree in co-relation 33713. Up to 553 conditions per place. [2021-04-29 04:21:20,427 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 610 selfloop transitions, 647 changer transitions 2/1265 dead transitions. [2021-04-29 04:21:20,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 1265 transitions, 45117 flow [2021-04-29 04:21:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-29 04:21:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-04-29 04:21:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 456 transitions. [2021-04-29 04:21:20,428 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6551724137931034 [2021-04-29 04:21:20,428 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 456 transitions. [2021-04-29 04:21:20,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 456 transitions. [2021-04-29 04:21:20,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:21:20,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 456 transitions. [2021-04-29 04:21:20,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 15.724137931034482) internal successors, (456), 29 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:20,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 24.0) internal successors, (720), 30 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:20,430 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 24.0) internal successors, (720), 30 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:20,430 INFO L185 Difference]: Start difference. First operand has 591 places, 1087 transitions, 35022 flow. Second operand 29 states and 456 transitions. [2021-04-29 04:21:20,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 1265 transitions, 45117 flow [2021-04-29 04:21:22,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 1265 transitions, 44000 flow, removed 548 selfloop flow, removed 6 redundant places. [2021-04-29 04:21:22,922 INFO L241 Difference]: Finished difference. Result has 628 places, 1212 transitions, 42144 flow [2021-04-29 04:21:22,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=34307, PETRI_DIFFERENCE_MINUEND_PLACES=585, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1085, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=527, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=42144, PETRI_PLACES=628, PETRI_TRANSITIONS=1212} [2021-04-29 04:21:22,923 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 608 predicate places. [2021-04-29 04:21:22,923 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:21:22,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 628 places, 1212 transitions, 42144 flow [2021-04-29 04:21:22,924 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 628 places, 1212 transitions, 42144 flow [2021-04-29 04:21:22,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 1212 transitions, 42144 flow [2021-04-29 04:21:23,828 INFO L129 PetriNetUnfolder]: 685/2218 cut-off events. [2021-04-29 04:21:23,828 INFO L130 PetriNetUnfolder]: For 178282/178282 co-relation queries the response was YES. [2021-04-29 04:21:23,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33398 conditions, 2218 events. 685/2218 cut-off events. For 178282/178282 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 21726 event pairs, 0 based on Foata normal form. 0/2218 useless extension candidates. Maximal degree in co-relation 33017. Up to 443 conditions per place. [2021-04-29 04:21:23,907 INFO L146 LiptonReduction]: Number of co-enabled transitions 626 [2021-04-29 04:21:24,178 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:21:24,178 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:21:24,178 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1255 [2021-04-29 04:21:24,178 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 1212 transitions, 42144 flow [2021-04-29 04:21:24,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:24,179 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:21:24,179 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:21:24,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:24,386 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:21:24,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:21:24,387 INFO L82 PathProgramCache]: Analyzing trace with hash -372117272, now seen corresponding path program 35 times [2021-04-29 04:21:24,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:21:24,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267685779] [2021-04-29 04:21:24,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:21:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:24,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:24,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:24,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:24,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267685779] [2021-04-29 04:21:24,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561558843] [2021-04-29 04:21:24,460 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:24,485 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:21:24,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:21:24,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:21:24,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:21:24,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:24,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:24,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:24,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:24,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:24,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:24,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:24,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:21:24,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:24,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:24,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:24,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:24,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:24,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:24,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:24,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:24,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:24,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:24,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:24,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:24,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:24,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:21:24,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:24,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:24,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:21:24,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-04-29 04:21:24,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952475817] [2021-04-29 04:21:24,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 04:21:24,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:21:24,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 04:21:24,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-04-29 04:21:24,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:21:24,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 1212 transitions, 42144 flow. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:24,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:21:24,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:21:24,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:21:26,653 INFO L129 PetriNetUnfolder]: 709/2314 cut-off events. [2021-04-29 04:21:26,653 INFO L130 PetriNetUnfolder]: For 193169/193169 co-relation queries the response was YES. [2021-04-29 04:21:26,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36639 conditions, 2314 events. 709/2314 cut-off events. For 193169/193169 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 22939 event pairs, 0 based on Foata normal form. 1/2315 useless extension candidates. Maximal degree in co-relation 36248. Up to 1000 conditions per place. [2021-04-29 04:21:26,714 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 974 selfloop transitions, 309 changer transitions 4/1293 dead transitions. [2021-04-29 04:21:26,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 640 places, 1293 transitions, 47694 flow [2021-04-29 04:21:26,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 04:21:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 04:21:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 199 transitions. [2021-04-29 04:21:26,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6378205128205128 [2021-04-29 04:21:26,715 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 199 transitions. [2021-04-29 04:21:26,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 199 transitions. [2021-04-29 04:21:26,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:21:26,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 199 transitions. [2021-04-29 04:21:26,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:26,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:26,717 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:26,717 INFO L185 Difference]: Start difference. First operand has 628 places, 1212 transitions, 42144 flow. Second operand 13 states and 199 transitions. [2021-04-29 04:21:26,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 640 places, 1293 transitions, 47694 flow [2021-04-29 04:21:29,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 1293 transitions, 45887 flow, removed 794 selfloop flow, removed 12 redundant places. [2021-04-29 04:21:29,708 INFO L241 Difference]: Finished difference. Result has 634 places, 1266 transitions, 43249 flow [2021-04-29 04:21:29,709 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=40387, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=920, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=43249, PETRI_PLACES=634, PETRI_TRANSITIONS=1266} [2021-04-29 04:21:29,709 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 614 predicate places. [2021-04-29 04:21:29,709 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:21:29,709 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 634 places, 1266 transitions, 43249 flow [2021-04-29 04:21:29,709 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 634 places, 1266 transitions, 43249 flow [2021-04-29 04:21:29,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 631 places, 1266 transitions, 43249 flow [2021-04-29 04:21:30,656 INFO L129 PetriNetUnfolder]: 709/2305 cut-off events. [2021-04-29 04:21:30,656 INFO L130 PetriNetUnfolder]: For 179122/179122 co-relation queries the response was YES. [2021-04-29 04:21:30,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34321 conditions, 2305 events. 709/2305 cut-off events. For 179122/179122 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 22999 event pairs, 0 based on Foata normal form. 0/2305 useless extension candidates. Maximal degree in co-relation 34074. Up to 467 conditions per place. [2021-04-29 04:21:30,738 INFO L146 LiptonReduction]: Number of co-enabled transitions 644 [2021-04-29 04:21:31,042 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:21:31,042 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:21:31,042 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1333 [2021-04-29 04:21:31,042 INFO L480 AbstractCegarLoop]: Abstraction has has 631 places, 1266 transitions, 43249 flow [2021-04-29 04:21:31,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 12 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:31,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:21:31,042 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:21:31,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-04-29 04:21:31,243 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:21:31,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:21:31,244 INFO L82 PathProgramCache]: Analyzing trace with hash 391532356, now seen corresponding path program 36 times [2021-04-29 04:21:31,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:21:31,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725990702] [2021-04-29 04:21:31,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:21:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:31,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:31,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:31,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:31,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:31,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:31,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:31,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:21:31,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725990702] [2021-04-29 04:21:31,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012813442] [2021-04-29 04:21:31,278 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:31,299 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-04-29 04:21:31,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:21:31,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:21:31,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:21:31,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:31,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:31,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:31,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:31,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:31,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:31,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:31,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:31,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:31,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:31,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:31,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:31,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:31,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:31,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:31,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:31,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:31,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:31,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:31,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:31,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:31,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:31,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:31,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:31,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:31,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:31,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:21:31,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:31,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:31,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:21:31,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 13 [2021-04-29 04:21:31,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11006066] [2021-04-29 04:21:31,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:21:31,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:21:31,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:21:31,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:21:31,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:21:31,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 631 places, 1266 transitions, 43249 flow. Second operand has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:31,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:21:31,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:21:31,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:21:33,774 INFO L129 PetriNetUnfolder]: 696/2309 cut-off events. [2021-04-29 04:21:33,775 INFO L130 PetriNetUnfolder]: For 182165/182170 co-relation queries the response was YES. [2021-04-29 04:21:33,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35899 conditions, 2309 events. 696/2309 cut-off events. For 182165/182170 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 22953 event pairs, 0 based on Foata normal form. 20/2329 useless extension candidates. Maximal degree in co-relation 35650. Up to 951 conditions per place. [2021-04-29 04:21:33,843 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 855 selfloop transitions, 455 changer transitions 0/1316 dead transitions. [2021-04-29 04:21:33,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 1316 transitions, 47720 flow [2021-04-29 04:21:33,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 04:21:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 04:21:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 295 transitions. [2021-04-29 04:21:33,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6828703703703703 [2021-04-29 04:21:33,844 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 295 transitions. [2021-04-29 04:21:33,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 295 transitions. [2021-04-29 04:21:33,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:21:33,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 295 transitions. [2021-04-29 04:21:33,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 16.38888888888889) internal successors, (295), 18 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:33,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:33,846 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:33,846 INFO L185 Difference]: Start difference. First operand has 631 places, 1266 transitions, 43249 flow. Second operand 18 states and 295 transitions. [2021-04-29 04:21:33,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 1316 transitions, 47720 flow [2021-04-29 04:21:36,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 636 places, 1316 transitions, 47030 flow, removed 184 selfloop flow, removed 11 redundant places. [2021-04-29 04:21:36,794 INFO L241 Difference]: Finished difference. Result has 639 places, 1268 transitions, 44021 flow [2021-04-29 04:21:36,796 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=42208, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=446, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=807, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=44021, PETRI_PLACES=639, PETRI_TRANSITIONS=1268} [2021-04-29 04:21:36,796 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 619 predicate places. [2021-04-29 04:21:36,796 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:21:36,797 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 639 places, 1268 transitions, 44021 flow [2021-04-29 04:21:36,797 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 639 places, 1268 transitions, 44021 flow [2021-04-29 04:21:36,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 639 places, 1268 transitions, 44021 flow [2021-04-29 04:21:37,783 INFO L129 PetriNetUnfolder]: 696/2311 cut-off events. [2021-04-29 04:21:37,783 INFO L130 PetriNetUnfolder]: For 173895/173895 co-relation queries the response was YES. [2021-04-29 04:21:37,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34574 conditions, 2311 events. 696/2311 cut-off events. For 173895/173895 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 23212 event pairs, 0 based on Foata normal form. 0/2311 useless extension candidates. Maximal degree in co-relation 34227. Up to 474 conditions per place. [2021-04-29 04:21:37,861 INFO L146 LiptonReduction]: Number of co-enabled transitions 660 [2021-04-29 04:21:38,128 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:21:38,129 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:21:38,129 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1333 [2021-04-29 04:21:38,129 INFO L480 AbstractCegarLoop]: Abstraction has has 639 places, 1268 transitions, 44021 flow [2021-04-29 04:21:38,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:38,129 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:21:38,129 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:21:38,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:38,330 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:21:38,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:21:38,331 INFO L82 PathProgramCache]: Analyzing trace with hash -383580756, now seen corresponding path program 37 times [2021-04-29 04:21:38,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:21:38,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384981260] [2021-04-29 04:21:38,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:21:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:38,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:38,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:38,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:38,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:38,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384981260] [2021-04-29 04:21:38,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573571040] [2021-04-29 04:21:38,383 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:38,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:21:38,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:21:38,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:38,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:38,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:38,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:38,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:38,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:38,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:38,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:21:38,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 04:21:38,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:38,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:38,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:38,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:38,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:38,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:38,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:38,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:38,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:38,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:38,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:38,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:38,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:38,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:21:38,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:38,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:38,487 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:38,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:21:38,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-04-29 04:21:38,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309373877] [2021-04-29 04:21:38,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 04:21:38,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:21:38,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 04:21:38,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-04-29 04:21:38,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:21:38,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 1268 transitions, 44021 flow. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:38,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:21:38,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:21:38,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:21:40,938 INFO L129 PetriNetUnfolder]: 772/2513 cut-off events. [2021-04-29 04:21:40,938 INFO L130 PetriNetUnfolder]: For 187535/187535 co-relation queries the response was YES. [2021-04-29 04:21:40,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39617 conditions, 2513 events. 772/2513 cut-off events. For 187535/187535 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 25312 event pairs, 0 based on Foata normal form. 15/2528 useless extension candidates. Maximal degree in co-relation 39215. Up to 1505 conditions per place. [2021-04-29 04:21:41,002 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 1170 selfloop transitions, 261 changer transitions 0/1437 dead transitions. [2021-04-29 04:21:41,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 1437 transitions, 52986 flow [2021-04-29 04:21:41,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 04:21:41,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 04:21:41,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 148 transitions. [2021-04-29 04:21:41,004 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6851851851851852 [2021-04-29 04:21:41,004 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 148 transitions. [2021-04-29 04:21:41,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 148 transitions. [2021-04-29 04:21:41,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:21:41,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 148 transitions. [2021-04-29 04:21:41,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 16.444444444444443) internal successors, (148), 9 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:41,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 24.0) internal successors, (240), 10 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:41,005 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 24.0) internal successors, (240), 10 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:41,005 INFO L185 Difference]: Start difference. First operand has 639 places, 1268 transitions, 44021 flow. Second operand 9 states and 148 transitions. [2021-04-29 04:21:41,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 1437 transitions, 52986 flow [2021-04-29 04:21:44,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 1437 transitions, 52139 flow, removed 62 selfloop flow, removed 15 redundant places. [2021-04-29 04:21:44,161 INFO L241 Difference]: Finished difference. Result has 636 places, 1361 transitions, 47809 flow [2021-04-29 04:21:44,162 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=43321, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1007, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=47809, PETRI_PLACES=636, PETRI_TRANSITIONS=1361} [2021-04-29 04:21:44,162 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 616 predicate places. [2021-04-29 04:21:44,162 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:21:44,162 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 636 places, 1361 transitions, 47809 flow [2021-04-29 04:21:44,162 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 636 places, 1361 transitions, 47809 flow [2021-04-29 04:21:44,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 636 places, 1361 transitions, 47809 flow [2021-04-29 04:21:45,197 INFO L129 PetriNetUnfolder]: 772/2511 cut-off events. [2021-04-29 04:21:45,197 INFO L130 PetriNetUnfolder]: For 180765/180767 co-relation queries the response was YES. [2021-04-29 04:21:45,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37856 conditions, 2511 events. 772/2511 cut-off events. For 180765/180767 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 25438 event pairs, 0 based on Foata normal form. 0/2511 useless extension candidates. Maximal degree in co-relation 37499. Up to 506 conditions per place. [2021-04-29 04:21:45,284 INFO L146 LiptonReduction]: Number of co-enabled transitions 768 [2021-04-29 04:21:45,623 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:21:45,623 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:21:45,623 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1461 [2021-04-29 04:21:45,624 INFO L480 AbstractCegarLoop]: Abstraction has has 636 places, 1361 transitions, 47809 flow [2021-04-29 04:21:45,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:45,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:21:45,624 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:21:45,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-04-29 04:21:45,825 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:21:45,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:21:45,825 INFO L82 PathProgramCache]: Analyzing trace with hash 2050037928, now seen corresponding path program 38 times [2021-04-29 04:21:45,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:21:45,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226561925] [2021-04-29 04:21:45,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:21:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:45,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:45,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:45,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:45,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:45,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226561925] [2021-04-29 04:21:45,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041863625] [2021-04-29 04:21:45,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:21:45,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:21:45,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:45,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:21:45,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:21:45,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:45,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:45,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:45,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:45,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:45,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:45,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:45,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:45,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:45,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:45,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:45,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:45,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:45,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:45,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:45,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:45,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:45,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:45,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:45,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:45,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:45,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:45,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:45,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:21:45,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:45,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:45,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:21:45,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2021-04-29 04:21:45,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353592593] [2021-04-29 04:21:45,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:21:45,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:21:45,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:21:45,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:21:45,995 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:21:45,995 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 1361 transitions, 47809 flow. Second operand has 13 states, 13 states have (on average 14.153846153846153) internal successors, (184), 13 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:45,995 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:21:45,995 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:21:45,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:21:48,619 INFO L129 PetriNetUnfolder]: 814/2677 cut-off events. [2021-04-29 04:21:48,619 INFO L130 PetriNetUnfolder]: For 212230/212230 co-relation queries the response was YES. [2021-04-29 04:21:48,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42892 conditions, 2677 events. 814/2677 cut-off events. For 212230/212230 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 27579 event pairs, 0 based on Foata normal form. 12/2689 useless extension candidates. Maximal degree in co-relation 42486. Up to 1005 conditions per place. [2021-04-29 04:21:48,702 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 961 selfloop transitions, 526 changer transitions 4/1497 dead transitions. [2021-04-29 04:21:48,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 1497 transitions, 57167 flow [2021-04-29 04:21:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 04:21:48,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 04:21:48,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 374 transitions. [2021-04-29 04:21:48,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6493055555555556 [2021-04-29 04:21:48,703 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 374 transitions. [2021-04-29 04:21:48,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 374 transitions. [2021-04-29 04:21:48,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:21:48,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 374 transitions. [2021-04-29 04:21:48,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 15.583333333333334) internal successors, (374), 24 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:48,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 24.0) internal successors, (600), 25 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:48,705 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 24.0) internal successors, (600), 25 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:48,705 INFO L185 Difference]: Start difference. First operand has 636 places, 1361 transitions, 47809 flow. Second operand 24 states and 374 transitions. [2021-04-29 04:21:48,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 1497 transitions, 57167 flow [2021-04-29 04:21:53,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 1497 transitions, 56887 flow, removed 35 selfloop flow, removed 4 redundant places. [2021-04-29 04:21:53,125 INFO L241 Difference]: Finished difference. Result has 662 places, 1440 transitions, 53426 flow [2021-04-29 04:21:53,126 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=47158, PETRI_DIFFERENCE_MINUEND_PLACES=631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=440, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=861, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=53426, PETRI_PLACES=662, PETRI_TRANSITIONS=1440} [2021-04-29 04:21:53,126 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 642 predicate places. [2021-04-29 04:21:53,126 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:21:53,126 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 662 places, 1440 transitions, 53426 flow [2021-04-29 04:21:53,126 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 662 places, 1440 transitions, 53426 flow [2021-04-29 04:21:53,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 661 places, 1440 transitions, 53426 flow [2021-04-29 04:21:54,341 INFO L129 PetriNetUnfolder]: 814/2680 cut-off events. [2021-04-29 04:21:54,341 INFO L130 PetriNetUnfolder]: For 224071/224071 co-relation queries the response was YES. [2021-04-29 04:21:54,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42241 conditions, 2680 events. 814/2680 cut-off events. For 224071/224071 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 27733 event pairs, 0 based on Foata normal form. 0/2680 useless extension candidates. Maximal degree in co-relation 41837. Up to 566 conditions per place. [2021-04-29 04:21:54,442 INFO L146 LiptonReduction]: Number of co-enabled transitions 818 [2021-04-29 04:21:54,825 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:21:54,825 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:21:54,825 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1699 [2021-04-29 04:21:54,825 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 1440 transitions, 53426 flow [2021-04-29 04:21:54,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.153846153846153) internal successors, (184), 13 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:54,825 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:21:54,825 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:21:55,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:55,026 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:21:55,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:21:55,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1854407612, now seen corresponding path program 39 times [2021-04-29 04:21:55,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:21:55,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565941481] [2021-04-29 04:21:55,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:21:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:21:55,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:55,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:55,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:55,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:21:55,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:55,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:55,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565941481] [2021-04-29 04:21:55,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921310187] [2021-04-29 04:21:55,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:21:55,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:21:55,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:21:55,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:21:55,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:21:55,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:55,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:55,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:55,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:21:55,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:55,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:55,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:55,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:55,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:55,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:55,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:55,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:55,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:55,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:55,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:55,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:55,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:21:55,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:55,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:55,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:21:55,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:21:55,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:55,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:21:55,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:21:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:21:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:21:55,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:21:55,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:21:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:21:55,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:21:55,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-04-29 04:21:55,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865394595] [2021-04-29 04:21:55,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 04:21:55,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:21:55,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 04:21:55,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-04-29 04:21:55,218 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:21:55,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 1440 transitions, 53426 flow. Second operand has 14 states, 14 states have (on average 14.142857142857142) internal successors, (198), 14 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:55,218 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:21:55,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:21:55,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:21:58,512 INFO L129 PetriNetUnfolder]: 827/2711 cut-off events. [2021-04-29 04:21:58,512 INFO L130 PetriNetUnfolder]: For 231461/231461 co-relation queries the response was YES. [2021-04-29 04:21:58,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45058 conditions, 2711 events. 827/2711 cut-off events. For 231461/231461 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 27826 event pairs, 0 based on Foata normal form. 6/2717 useless extension candidates. Maximal degree in co-relation 44647. Up to 657 conditions per place. [2021-04-29 04:21:58,585 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 712 selfloop transitions, 786 changer transitions 6/1510 dead transitions. [2021-04-29 04:21:58,585 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 1510 transitions, 59460 flow [2021-04-29 04:21:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-29 04:21:58,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-04-29 04:21:58,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 447 transitions. [2021-04-29 04:21:58,586 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6422413793103449 [2021-04-29 04:21:58,586 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 447 transitions. [2021-04-29 04:21:58,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 447 transitions. [2021-04-29 04:21:58,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:21:58,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 447 transitions. [2021-04-29 04:21:58,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 15.413793103448276) internal successors, (447), 29 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:58,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 24.0) internal successors, (720), 30 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:58,589 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 24.0) internal successors, (720), 30 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:21:58,589 INFO L185 Difference]: Start difference. First operand has 661 places, 1440 transitions, 53426 flow. Second operand 29 states and 447 transitions. [2021-04-29 04:21:58,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 1510 transitions, 59460 flow [2021-04-29 04:22:02,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 680 places, 1510 transitions, 57786 flow, removed 791 selfloop flow, removed 9 redundant places. [2021-04-29 04:22:02,828 INFO L241 Difference]: Finished difference. Result has 690 places, 1469 transitions, 56022 flow [2021-04-29 04:22:02,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=51731, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=746, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=56022, PETRI_PLACES=690, PETRI_TRANSITIONS=1469} [2021-04-29 04:22:02,829 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 670 predicate places. [2021-04-29 04:22:02,829 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:22:02,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 690 places, 1469 transitions, 56022 flow [2021-04-29 04:22:02,829 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 690 places, 1469 transitions, 56022 flow [2021-04-29 04:22:02,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 690 places, 1469 transitions, 56022 flow [2021-04-29 04:22:04,088 INFO L129 PetriNetUnfolder]: 826/2713 cut-off events. [2021-04-29 04:22:04,088 INFO L130 PetriNetUnfolder]: For 221496/221498 co-relation queries the response was YES. [2021-04-29 04:22:04,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43339 conditions, 2713 events. 826/2713 cut-off events. For 221496/221498 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 27904 event pairs, 0 based on Foata normal form. 0/2713 useless extension candidates. Maximal degree in co-relation 42966. Up to 561 conditions per place. [2021-04-29 04:22:04,186 INFO L146 LiptonReduction]: Number of co-enabled transitions 832 [2021-04-29 04:22:04,564 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:22:04,565 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:22:04,565 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1736 [2021-04-29 04:22:04,565 INFO L480 AbstractCegarLoop]: Abstraction has has 690 places, 1469 transitions, 56022 flow [2021-04-29 04:22:04,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 14.142857142857142) internal successors, (198), 14 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:04,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:22:04,565 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:22:04,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:22:04,766 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:22:04,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:22:04,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1484137916, now seen corresponding path program 40 times [2021-04-29 04:22:04,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:22:04,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928989181] [2021-04-29 04:22:04,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:22:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:22:04,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:04,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:04,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:04,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:04,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:22:04,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928989181] [2021-04-29 04:22:04,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96860797] [2021-04-29 04:22:04,810 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:22:04,834 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:22:04,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:22:04,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:22:04,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:22:04,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:04,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:04,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:04,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:04,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:04,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:04,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:04,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:04,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:04,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:04,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:04,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:04,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:04,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:04,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:04,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:04,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:04,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:04,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:04,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:04,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:04,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:22:04,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:04,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:22:04,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:22:04,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2021-04-29 04:22:04,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334268600] [2021-04-29 04:22:04,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:22:04,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:22:04,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:22:04,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:22:04,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:22:04,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 1469 transitions, 56022 flow. Second operand has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:04,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:22:04,935 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:22:04,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:22:08,457 INFO L129 PetriNetUnfolder]: 881/2864 cut-off events. [2021-04-29 04:22:08,457 INFO L130 PetriNetUnfolder]: For 243597/243597 co-relation queries the response was YES. [2021-04-29 04:22:08,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48427 conditions, 2864 events. 881/2864 cut-off events. For 243597/243597 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 29654 event pairs, 0 based on Foata normal form. 24/2888 useless extension candidates. Maximal degree in co-relation 48046. Up to 1439 conditions per place. [2021-04-29 04:22:08,536 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 1082 selfloop transitions, 526 changer transitions 0/1614 dead transitions. [2021-04-29 04:22:08,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 706 places, 1614 transitions, 65165 flow [2021-04-29 04:22:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 04:22:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 04:22:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 291 transitions. [2021-04-29 04:22:08,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6736111111111112 [2021-04-29 04:22:08,537 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 291 transitions. [2021-04-29 04:22:08,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 291 transitions. [2021-04-29 04:22:08,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:22:08,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 291 transitions. [2021-04-29 04:22:08,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 16.166666666666668) internal successors, (291), 18 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:08,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:08,539 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:08,539 INFO L185 Difference]: Start difference. First operand has 690 places, 1469 transitions, 56022 flow. Second operand 18 states and 291 transitions. [2021-04-29 04:22:08,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 706 places, 1614 transitions, 65165 flow [2021-04-29 04:22:13,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 698 places, 1614 transitions, 64344 flow, removed 326 selfloop flow, removed 8 redundant places. [2021-04-29 04:22:13,188 INFO L241 Difference]: Finished difference. Result has 704 places, 1556 transitions, 60533 flow [2021-04-29 04:22:13,189 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=54971, PETRI_DIFFERENCE_MINUEND_PLACES=681, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=441, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=977, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=60533, PETRI_PLACES=704, PETRI_TRANSITIONS=1556} [2021-04-29 04:22:13,190 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 684 predicate places. [2021-04-29 04:22:13,190 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:22:13,190 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 704 places, 1556 transitions, 60533 flow [2021-04-29 04:22:13,190 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 704 places, 1556 transitions, 60533 flow [2021-04-29 04:22:13,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 704 places, 1556 transitions, 60533 flow [2021-04-29 04:22:14,792 INFO L129 PetriNetUnfolder]: 881/2890 cut-off events. [2021-04-29 04:22:14,792 INFO L130 PetriNetUnfolder]: For 240213/240213 co-relation queries the response was YES. [2021-04-29 04:22:14,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46967 conditions, 2890 events. 881/2890 cut-off events. For 240213/240213 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 30040 event pairs, 0 based on Foata normal form. 0/2890 useless extension candidates. Maximal degree in co-relation 46588. Up to 610 conditions per place. [2021-04-29 04:22:14,908 INFO L146 LiptonReduction]: Number of co-enabled transitions 896 [2021-04-29 04:22:15,360 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:22:15,360 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:22:15,360 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2170 [2021-04-29 04:22:15,361 INFO L480 AbstractCegarLoop]: Abstraction has has 704 places, 1556 transitions, 60533 flow [2021-04-29 04:22:15,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:15,361 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:22:15,361 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:22:15,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:22:15,561 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:22:15,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:22:15,562 INFO L82 PathProgramCache]: Analyzing trace with hash -375225334, now seen corresponding path program 41 times [2021-04-29 04:22:15,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:22:15,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820229019] [2021-04-29 04:22:15,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:22:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:22:15,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:15,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:15,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:15,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:22:15,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820229019] [2021-04-29 04:22:15,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956274593] [2021-04-29 04:22:15,610 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:22:15,634 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:22:15,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:22:15,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:22:15,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:22:15,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:15,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:15,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:15,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:15,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:15,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:15,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:15,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:15,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:15,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:15,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:15,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:15,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:15,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:15,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:15,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:15,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:15,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:15,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:15,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:15,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:15,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:15,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:15,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:22:15,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:15,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:22:15,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:22:15,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-04-29 04:22:15,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929217289] [2021-04-29 04:22:15,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:22:15,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:22:15,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:22:15,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:22:15,725 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:22:15,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 704 places, 1556 transitions, 60533 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:15,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:22:15,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:22:15,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:22:19,491 INFO L129 PetriNetUnfolder]: 883/2877 cut-off events. [2021-04-29 04:22:19,491 INFO L130 PetriNetUnfolder]: For 244993/244993 co-relation queries the response was YES. [2021-04-29 04:22:19,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49409 conditions, 2877 events. 883/2877 cut-off events. For 244993/244993 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 29739 event pairs, 0 based on Foata normal form. 5/2882 useless extension candidates. Maximal degree in co-relation 48964. Up to 1390 conditions per place. [2021-04-29 04:22:19,571 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 1181 selfloop transitions, 401 changer transitions 6/1594 dead transitions. [2021-04-29 04:22:19,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 723 places, 1594 transitions, 65471 flow [2021-04-29 04:22:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 04:22:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 04:22:19,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 305 transitions. [2021-04-29 04:22:19,572 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6354166666666666 [2021-04-29 04:22:19,572 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 305 transitions. [2021-04-29 04:22:19,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 305 transitions. [2021-04-29 04:22:19,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:22:19,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 305 transitions. [2021-04-29 04:22:19,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 15.25) internal successors, (305), 20 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:19,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 24.0) internal successors, (504), 21 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:19,574 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 24.0) internal successors, (504), 21 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:19,574 INFO L185 Difference]: Start difference. First operand has 704 places, 1556 transitions, 60533 flow. Second operand 20 states and 305 transitions. [2021-04-29 04:22:19,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 723 places, 1594 transitions, 65471 flow [2021-04-29 04:22:24,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 713 places, 1594 transitions, 64807 flow, removed 233 selfloop flow, removed 10 redundant places. [2021-04-29 04:22:24,706 INFO L241 Difference]: Finished difference. Result has 718 places, 1563 transitions, 61303 flow [2021-04-29 04:22:24,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=59796, PETRI_DIFFERENCE_MINUEND_PLACES=694, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=387, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=61303, PETRI_PLACES=718, PETRI_TRANSITIONS=1563} [2021-04-29 04:22:24,707 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 698 predicate places. [2021-04-29 04:22:24,707 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:22:24,707 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 718 places, 1563 transitions, 61303 flow [2021-04-29 04:22:24,708 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 718 places, 1563 transitions, 61303 flow [2021-04-29 04:22:24,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 718 places, 1563 transitions, 61303 flow [2021-04-29 04:22:26,296 INFO L129 PetriNetUnfolder]: 883/2887 cut-off events. [2021-04-29 04:22:26,296 INFO L130 PetriNetUnfolder]: For 246718/246718 co-relation queries the response was YES. [2021-04-29 04:22:26,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47420 conditions, 2887 events. 883/2887 cut-off events. For 246718/246718 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 30107 event pairs, 0 based on Foata normal form. 0/2887 useless extension candidates. Maximal degree in co-relation 47036. Up to 593 conditions per place. [2021-04-29 04:22:26,409 INFO L146 LiptonReduction]: Number of co-enabled transitions 896 [2021-04-29 04:22:26,867 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:22:26,868 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:22:26,868 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2161 [2021-04-29 04:22:26,868 INFO L480 AbstractCegarLoop]: Abstraction has has 718 places, 1563 transitions, 61303 flow [2021-04-29 04:22:26,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:26,868 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:22:26,868 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:22:27,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-04-29 04:22:27,069 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:22:27,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:22:27,070 INFO L82 PathProgramCache]: Analyzing trace with hash 97844140, now seen corresponding path program 42 times [2021-04-29 04:22:27,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:22:27,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628580564] [2021-04-29 04:22:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:22:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:22:27,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:27,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:27,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:27,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:22:27,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628580564] [2021-04-29 04:22:27,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950375184] [2021-04-29 04:22:27,115 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:22:27,138 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:22:27,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:22:27,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:22:27,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:22:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:27,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:27,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:27,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:27,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:27,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:27,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:27,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:27,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:27,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:27,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:27,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:27,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:27,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:27,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:27,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:27,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:27,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:27,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:27,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:22:27,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:27,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:22:27,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:22:27,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-04-29 04:22:27,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928869793] [2021-04-29 04:22:27,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:22:27,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:22:27,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:22:27,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:22:27,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:22:27,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 718 places, 1563 transitions, 61303 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:27,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:22:27,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:22:27,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:22:30,902 INFO L129 PetriNetUnfolder]: 904/2977 cut-off events. [2021-04-29 04:22:30,902 INFO L130 PetriNetUnfolder]: For 272188/272188 co-relation queries the response was YES. [2021-04-29 04:22:30,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51872 conditions, 2977 events. 904/2977 cut-off events. For 272188/272188 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 31249 event pairs, 0 based on Foata normal form. 13/2990 useless extension candidates. Maximal degree in co-relation 51452. Up to 1324 conditions per place. [2021-04-29 04:22:30,989 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 1158 selfloop transitions, 520 changer transitions 0/1684 dead transitions. [2021-04-29 04:22:30,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 1684 transitions, 71043 flow [2021-04-29 04:22:30,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 04:22:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 04:22:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 292 transitions. [2021-04-29 04:22:30,991 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6759259259259259 [2021-04-29 04:22:30,991 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 292 transitions. [2021-04-29 04:22:30,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 292 transitions. [2021-04-29 04:22:30,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:22:30,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 292 transitions. [2021-04-29 04:22:30,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 16.22222222222222) internal successors, (292), 18 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:30,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:30,992 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:30,992 INFO L185 Difference]: Start difference. First operand has 718 places, 1563 transitions, 61303 flow. Second operand 18 states and 292 transitions. [2021-04-29 04:22:30,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 1684 transitions, 71043 flow [2021-04-29 04:22:36,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 723 places, 1684 transitions, 70127 flow, removed 85 selfloop flow, removed 10 redundant places. [2021-04-29 04:22:36,438 INFO L241 Difference]: Finished difference. Result has 729 places, 1592 transitions, 63863 flow [2021-04-29 04:22:36,439 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=59898, PETRI_DIFFERENCE_MINUEND_PLACES=706, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=487, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1048, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=63863, PETRI_PLACES=729, PETRI_TRANSITIONS=1592} [2021-04-29 04:22:36,439 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 709 predicate places. [2021-04-29 04:22:36,439 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:22:36,439 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 729 places, 1592 transitions, 63863 flow [2021-04-29 04:22:36,439 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 729 places, 1592 transitions, 63863 flow [2021-04-29 04:22:36,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 729 places, 1592 transitions, 63863 flow [2021-04-29 04:22:38,024 INFO L129 PetriNetUnfolder]: 904/2974 cut-off events. [2021-04-29 04:22:38,025 INFO L130 PetriNetUnfolder]: For 270182/270182 co-relation queries the response was YES. [2021-04-29 04:22:38,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50112 conditions, 2974 events. 904/2974 cut-off events. For 270182/270182 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 31302 event pairs, 0 based on Foata normal form. 0/2974 useless extension candidates. Maximal degree in co-relation 49724. Up to 631 conditions per place. [2021-04-29 04:22:38,147 INFO L146 LiptonReduction]: Number of co-enabled transitions 912 [2021-04-29 04:22:38,627 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:22:38,627 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:22:38,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2188 [2021-04-29 04:22:38,627 INFO L480 AbstractCegarLoop]: Abstraction has has 729 places, 1592 transitions, 63863 flow [2021-04-29 04:22:38,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:38,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:22:38,627 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:22:38,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:22:38,828 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:22:38,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:22:38,829 INFO L82 PathProgramCache]: Analyzing trace with hash -16672464, now seen corresponding path program 43 times [2021-04-29 04:22:38,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:22:38,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669470428] [2021-04-29 04:22:38,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:22:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:22:38,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:38,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:38,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:38,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:22:38,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669470428] [2021-04-29 04:22:38,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876547199] [2021-04-29 04:22:38,872 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:22:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:22:38,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:22:38,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:22:38,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:38,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:38,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:38,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:38,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:38,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:38,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:38,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:38,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:38,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:38,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:38,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:38,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:38,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:38,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:38,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:38,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:38,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:38,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:38,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:22:38,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:38,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:22:38,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:22:38,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-04-29 04:22:38,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461451478] [2021-04-29 04:22:38,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:22:38,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:22:38,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:22:38,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:22:38,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:22:38,987 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 729 places, 1592 transitions, 63863 flow. Second operand has 13 states, 13 states have (on average 14.153846153846153) internal successors, (184), 13 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:38,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:22:38,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:22:38,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:22:43,304 INFO L129 PetriNetUnfolder]: 985/3254 cut-off events. [2021-04-29 04:22:43,304 INFO L130 PetriNetUnfolder]: For 322078/322078 co-relation queries the response was YES. [2021-04-29 04:22:43,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58368 conditions, 3254 events. 985/3254 cut-off events. For 322078/322078 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 34851 event pairs, 0 based on Foata normal form. 29/3283 useless extension candidates. Maximal degree in co-relation 57971. Up to 1209 conditions per place. [2021-04-29 04:22:43,401 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 1042 selfloop transitions, 761 changer transitions 0/1809 dead transitions. [2021-04-29 04:22:43,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 1809 transitions, 78688 flow [2021-04-29 04:22:43,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 04:22:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 04:22:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 356 transitions. [2021-04-29 04:22:43,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6742424242424242 [2021-04-29 04:22:43,402 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 356 transitions. [2021-04-29 04:22:43,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 356 transitions. [2021-04-29 04:22:43,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:22:43,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 356 transitions. [2021-04-29 04:22:43,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 16.181818181818183) internal successors, (356), 22 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:43,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 24.0) internal successors, (552), 23 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:43,404 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 24.0) internal successors, (552), 23 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:43,404 INFO L185 Difference]: Start difference. First operand has 729 places, 1592 transitions, 63863 flow. Second operand 22 states and 356 transitions. [2021-04-29 04:22:43,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 1809 transitions, 78688 flow [2021-04-29 04:22:50,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 743 places, 1809 transitions, 77389 flow, removed 624 selfloop flow, removed 5 redundant places. [2021-04-29 04:22:50,157 INFO L241 Difference]: Finished difference. Result has 751 places, 1723 transitions, 72623 flow [2021-04-29 04:22:50,158 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=62855, PETRI_DIFFERENCE_MINUEND_PLACES=722, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=638, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=920, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=72623, PETRI_PLACES=751, PETRI_TRANSITIONS=1723} [2021-04-29 04:22:50,158 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 731 predicate places. [2021-04-29 04:22:50,158 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:22:50,158 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 751 places, 1723 transitions, 72623 flow [2021-04-29 04:22:50,159 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 751 places, 1723 transitions, 72623 flow [2021-04-29 04:22:50,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 751 places, 1723 transitions, 72623 flow [2021-04-29 04:22:52,020 INFO L129 PetriNetUnfolder]: 985/3273 cut-off events. [2021-04-29 04:22:52,020 INFO L130 PetriNetUnfolder]: For 317538/317538 co-relation queries the response was YES. [2021-04-29 04:22:52,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56980 conditions, 3273 events. 985/3273 cut-off events. For 317538/317538 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 35198 event pairs, 0 based on Foata normal form. 0/3273 useless extension candidates. Maximal degree in co-relation 56583. Up to 716 conditions per place. [2021-04-29 04:22:52,154 INFO L146 LiptonReduction]: Number of co-enabled transitions 1024 [2021-04-29 04:22:52,711 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:22:52,711 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:22:52,711 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2553 [2021-04-29 04:22:52,712 INFO L480 AbstractCegarLoop]: Abstraction has has 751 places, 1723 transitions, 72623 flow [2021-04-29 04:22:52,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.153846153846153) internal successors, (184), 13 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:52,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:22:52,713 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:22:52,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-04-29 04:22:52,915 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:22:52,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:22:52,916 INFO L82 PathProgramCache]: Analyzing trace with hash -512869012, now seen corresponding path program 44 times [2021-04-29 04:22:52,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:22:52,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248199976] [2021-04-29 04:22:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:22:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:22:52,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:52,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:52,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:52,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:52,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:52,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:52,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:22:52,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:52,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:22:52,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248199976] [2021-04-29 04:22:52,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548914009] [2021-04-29 04:22:52,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:22:52,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:22:52,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:22:52,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:22:52,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:22:52,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:52,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:52,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:52,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:52,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:52,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:52,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:52,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:52,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:52,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:52,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:52,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:52,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:52,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:52,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:52,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:52,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:52,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:52,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:52,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:52,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:52,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:53,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:53,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:53,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:53,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:53,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:53,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:53,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:53,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:22:53,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:53,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:53,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:53,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:53,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:22:53,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:53,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:53,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:53,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:53,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:53,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:22:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:22:53,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:53,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:53,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:53,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:22:53,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:22:53,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:22:53,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:22:53,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:22:53,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:22:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:22:53,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:22:53,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-04-29 04:22:53,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939283424] [2021-04-29 04:22:53,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:22:53,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:22:53,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:22:53,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:22:53,074 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:22:53,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 751 places, 1723 transitions, 72623 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:53,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:22:53,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:22:53,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:22:58,044 INFO L129 PetriNetUnfolder]: 1048/3510 cut-off events. [2021-04-29 04:22:58,044 INFO L130 PetriNetUnfolder]: For 348374/348379 co-relation queries the response was YES. [2021-04-29 04:22:58,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64096 conditions, 3510 events. 1048/3510 cut-off events. For 348374/348379 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 38133 event pairs, 0 based on Foata normal form. 11/3521 useless extension candidates. Maximal degree in co-relation 63690. Up to 1428 conditions per place. [2021-04-29 04:22:58,149 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 1300 selfloop transitions, 586 changer transitions 8/1900 dead transitions. [2021-04-29 04:22:58,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 772 places, 1900 transitions, 84791 flow [2021-04-29 04:22:58,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 04:22:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 04:22:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 358 transitions. [2021-04-29 04:22:58,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6485507246376812 [2021-04-29 04:22:58,151 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 358 transitions. [2021-04-29 04:22:58,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 358 transitions. [2021-04-29 04:22:58,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:22:58,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 358 transitions. [2021-04-29 04:22:58,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 15.565217391304348) internal successors, (358), 23 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:58,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 24.0) internal successors, (576), 24 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:58,153 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 24.0) internal successors, (576), 24 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:22:58,153 INFO L185 Difference]: Start difference. First operand has 751 places, 1723 transitions, 72623 flow. Second operand 23 states and 358 transitions. [2021-04-29 04:22:58,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 772 places, 1900 transitions, 84791 flow [2021-04-29 04:23:05,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 759 places, 1900 transitions, 82912 flow, removed 797 selfloop flow, removed 13 redundant places. [2021-04-29 04:23:05,534 INFO L241 Difference]: Finished difference. Result has 764 places, 1817 transitions, 77563 flow [2021-04-29 04:23:05,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=70635, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1716, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=480, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=77563, PETRI_PLACES=764, PETRI_TRANSITIONS=1817} [2021-04-29 04:23:05,535 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 744 predicate places. [2021-04-29 04:23:05,535 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:05,536 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 764 places, 1817 transitions, 77563 flow [2021-04-29 04:23:05,536 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 764 places, 1817 transitions, 77563 flow [2021-04-29 04:23:05,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 764 places, 1817 transitions, 77563 flow [2021-04-29 04:23:07,916 INFO L129 PetriNetUnfolder]: 1048/3513 cut-off events. [2021-04-29 04:23:07,916 INFO L130 PetriNetUnfolder]: For 354589/354589 co-relation queries the response was YES. [2021-04-29 04:23:07,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61500 conditions, 3513 events. 1048/3513 cut-off events. For 354589/354589 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 38305 event pairs, 0 based on Foata normal form. 0/3513 useless extension candidates. Maximal degree in co-relation 61100. Up to 783 conditions per place. [2021-04-29 04:23:08,054 INFO L146 LiptonReduction]: Number of co-enabled transitions 1062 [2021-04-29 04:23:08,638 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:08,638 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:08,638 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3103 [2021-04-29 04:23:08,639 INFO L480 AbstractCegarLoop]: Abstraction has has 764 places, 1817 transitions, 77563 flow [2021-04-29 04:23:08,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:08,639 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:08,639 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:08,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-04-29 04:23:08,840 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:08,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:08,840 INFO L82 PathProgramCache]: Analyzing trace with hash -2122785294, now seen corresponding path program 45 times [2021-04-29 04:23:08,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:08,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143055081] [2021-04-29 04:23:08,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:08,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:08,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:08,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:08,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:08,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:08,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143055081] [2021-04-29 04:23:08,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661179023] [2021-04-29 04:23:08,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:08,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 04:23:08,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:08,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:23:08,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:08,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:08,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:08,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:08,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:08,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:08,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:08,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:08,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:08,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:08,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:08,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:08,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:08,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:08,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:08,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:08,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:08,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:08,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:08,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:08,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:08,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:08,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:08,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:08,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:08,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:08,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:08,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:08,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:08,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:08,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:08,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:08,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:08,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:08,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:08,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:08,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:08,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:08,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:08,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:09,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:09,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:09,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:09,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:09,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:09,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:09,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:09,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:09,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:09,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:09,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2021-04-29 04:23:09,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633191454] [2021-04-29 04:23:09,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:23:09,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:09,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:23:09,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:23:09,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:23:09,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 764 places, 1817 transitions, 77563 flow. Second operand has 13 states, 13 states have (on average 14.153846153846153) internal successors, (184), 13 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:09,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:09,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:23:09,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:14,118 INFO L129 PetriNetUnfolder]: 1045/3473 cut-off events. [2021-04-29 04:23:14,118 INFO L130 PetriNetUnfolder]: For 357455/357455 co-relation queries the response was YES. [2021-04-29 04:23:14,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63682 conditions, 3473 events. 1045/3473 cut-off events. For 357455/357455 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 37553 event pairs, 0 based on Foata normal form. 8/3481 useless extension candidates. Maximal degree in co-relation 63311. Up to 852 conditions per place. [2021-04-29 04:23:14,229 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 844 selfloop transitions, 996 changer transitions 3/1849 dead transitions. [2021-04-29 04:23:14,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 789 places, 1849 transitions, 82661 flow [2021-04-29 04:23:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-04-29 04:23:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-04-29 04:23:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 416 transitions. [2021-04-29 04:23:14,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6419753086419753 [2021-04-29 04:23:14,230 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 416 transitions. [2021-04-29 04:23:14,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 416 transitions. [2021-04-29 04:23:14,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:14,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 416 transitions. [2021-04-29 04:23:14,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 15.407407407407407) internal successors, (416), 27 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:14,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 24.0) internal successors, (672), 28 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:14,232 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 24.0) internal successors, (672), 28 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:14,232 INFO L185 Difference]: Start difference. First operand has 764 places, 1817 transitions, 77563 flow. Second operand 27 states and 416 transitions. [2021-04-29 04:23:14,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 789 places, 1849 transitions, 82661 flow [2021-04-29 04:23:22,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 1849 transitions, 81379 flow, removed 403 selfloop flow, removed 16 redundant places. [2021-04-29 04:23:22,099 INFO L241 Difference]: Finished difference. Result has 776 places, 1818 transitions, 79007 flow [2021-04-29 04:23:22,101 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=75875, PETRI_DIFFERENCE_MINUEND_PLACES=747, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1808, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=983, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=819, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=79007, PETRI_PLACES=776, PETRI_TRANSITIONS=1818} [2021-04-29 04:23:22,101 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 756 predicate places. [2021-04-29 04:23:22,101 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:22,101 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 776 places, 1818 transitions, 79007 flow [2021-04-29 04:23:22,101 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 776 places, 1818 transitions, 79007 flow [2021-04-29 04:23:22,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 774 places, 1818 transitions, 79007 flow [2021-04-29 04:23:24,665 INFO L129 PetriNetUnfolder]: 1045/3481 cut-off events. [2021-04-29 04:23:24,666 INFO L130 PetriNetUnfolder]: For 341697/341697 co-relation queries the response was YES. [2021-04-29 04:23:24,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62085 conditions, 3481 events. 1045/3481 cut-off events. For 341697/341697 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 37804 event pairs, 0 based on Foata normal form. 0/3481 useless extension candidates. Maximal degree in co-relation 61716. Up to 748 conditions per place. [2021-04-29 04:23:24,799 INFO L146 LiptonReduction]: Number of co-enabled transitions 1062 [2021-04-29 04:23:25,411 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:25,411 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:25,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3310 [2021-04-29 04:23:25,412 INFO L480 AbstractCegarLoop]: Abstraction has has 774 places, 1818 transitions, 79007 flow [2021-04-29 04:23:25,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.153846153846153) internal successors, (184), 13 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:25,412 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:25,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,79 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:25,613 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:25,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:25,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1364477440, now seen corresponding path program 46 times [2021-04-29 04:23:25,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:25,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816814972] [2021-04-29 04:23:25,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:25,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:25,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:25,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816814972] [2021-04-29 04:23:25,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390007230] [2021-04-29 04:23:25,666 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:25,692 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:23:25,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:25,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:23:25,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:25,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:25,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:25,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:25,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:25,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:25,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:25,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:25,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:25,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:25,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:25,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:25,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:25,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:25,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:25,785 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:25,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:25,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-04-29 04:23:25,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301933575] [2021-04-29 04:23:25,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:23:25,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:25,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:23:25,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:23:25,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:23:25,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 774 places, 1818 transitions, 79007 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:25,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:25,787 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:23:25,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:31,312 INFO L129 PetriNetUnfolder]: 1041/3454 cut-off events. [2021-04-29 04:23:31,312 INFO L130 PetriNetUnfolder]: For 342921/342921 co-relation queries the response was YES. [2021-04-29 04:23:31,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64432 conditions, 3454 events. 1041/3454 cut-off events. For 342921/342921 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 37390 event pairs, 0 based on Foata normal form. 5/3459 useless extension candidates. Maximal degree in co-relation 64103. Up to 1177 conditions per place. [2021-04-29 04:23:31,408 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 1138 selfloop transitions, 744 changer transitions 1/1889 dead transitions. [2021-04-29 04:23:31,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 797 places, 1889 transitions, 86413 flow [2021-04-29 04:23:31,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-04-29 04:23:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-04-29 04:23:31,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 418 transitions. [2021-04-29 04:23:31,410 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6450617283950617 [2021-04-29 04:23:31,410 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 418 transitions. [2021-04-29 04:23:31,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 418 transitions. [2021-04-29 04:23:31,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:31,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 418 transitions. [2021-04-29 04:23:31,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 15.481481481481481) internal successors, (418), 27 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:31,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 24.0) internal successors, (672), 28 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:31,411 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 24.0) internal successors, (672), 28 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:31,411 INFO L185 Difference]: Start difference. First operand has 774 places, 1818 transitions, 79007 flow. Second operand 27 states and 418 transitions. [2021-04-29 04:23:31,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 797 places, 1889 transitions, 86413 flow [2021-04-29 04:23:38,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 784 places, 1889 transitions, 85881 flow, removed 167 selfloop flow, removed 13 redundant places. [2021-04-29 04:23:38,261 INFO L241 Difference]: Finished difference. Result has 786 places, 1822 transitions, 81104 flow [2021-04-29 04:23:38,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=78228, PETRI_DIFFERENCE_MINUEND_PLACES=758, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1812, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=734, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1076, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=81104, PETRI_PLACES=786, PETRI_TRANSITIONS=1822} [2021-04-29 04:23:38,262 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 766 predicate places. [2021-04-29 04:23:38,262 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:38,263 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 786 places, 1822 transitions, 81104 flow [2021-04-29 04:23:38,263 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 786 places, 1822 transitions, 81104 flow [2021-04-29 04:23:38,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 784 places, 1822 transitions, 81104 flow [2021-04-29 04:23:40,574 INFO L129 PetriNetUnfolder]: 1041/3460 cut-off events. [2021-04-29 04:23:40,575 INFO L130 PetriNetUnfolder]: For 346749/346749 co-relation queries the response was YES. [2021-04-29 04:23:40,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62905 conditions, 3460 events. 1041/3460 cut-off events. For 346749/346749 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 37464 event pairs, 0 based on Foata normal form. 0/3460 useless extension candidates. Maximal degree in co-relation 62607. Up to 747 conditions per place. [2021-04-29 04:23:40,930 INFO L146 LiptonReduction]: Number of co-enabled transitions 1064 [2021-04-29 04:23:41,580 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:41,580 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:41,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3318 [2021-04-29 04:23:41,580 INFO L480 AbstractCegarLoop]: Abstraction has has 784 places, 1822 transitions, 81104 flow [2021-04-29 04:23:41,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:41,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:41,580 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:41,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:41,786 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:41,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:41,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1544406268, now seen corresponding path program 47 times [2021-04-29 04:23:41,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:41,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395165430] [2021-04-29 04:23:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:41,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:41,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:41,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:41,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,832 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:41,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395165430] [2021-04-29 04:23:41,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053106517] [2021-04-29 04:23:41,833 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:41,855 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:23:41,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:41,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:23:41,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:41,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:41,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:41,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:41,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:41,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:41,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:41,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:41,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:41,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:41,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:41,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:41,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:41,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:41,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:41,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:41,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:41,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:41,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:41,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:41,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:41,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:41,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:41,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:41,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:41,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:41,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:41,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:41,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-04-29 04:23:41,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198548621] [2021-04-29 04:23:41,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 04:23:41,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:41,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 04:23:41,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-04-29 04:23:41,968 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:23:41,968 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 784 places, 1822 transitions, 81104 flow. Second operand has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:41,968 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:41,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:23:41,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:23:47,983 INFO L129 PetriNetUnfolder]: 1070/3580 cut-off events. [2021-04-29 04:23:47,983 INFO L130 PetriNetUnfolder]: For 381490/381490 co-relation queries the response was YES. [2021-04-29 04:23:48,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68238 conditions, 3580 events. 1070/3580 cut-off events. For 381490/381490 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 39009 event pairs, 0 based on Foata normal form. 23/3603 useless extension candidates. Maximal degree in co-relation 67938. Up to 778 conditions per place. [2021-04-29 04:23:48,086 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 851 selfloop transitions, 1078 changer transitions 8/1943 dead transitions. [2021-04-29 04:23:48,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 1943 transitions, 91705 flow [2021-04-29 04:23:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-29 04:23:48,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-04-29 04:23:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 451 transitions. [2021-04-29 04:23:48,087 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6479885057471264 [2021-04-29 04:23:48,087 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 451 transitions. [2021-04-29 04:23:48,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 451 transitions. [2021-04-29 04:23:48,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:23:48,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 451 transitions. [2021-04-29 04:23:48,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 15.551724137931034) internal successors, (451), 29 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:48,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 24.0) internal successors, (720), 30 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:48,089 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 24.0) internal successors, (720), 30 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:48,089 INFO L185 Difference]: Start difference. First operand has 784 places, 1822 transitions, 81104 flow. Second operand 29 states and 451 transitions. [2021-04-29 04:23:48,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 1943 transitions, 91705 flow [2021-04-29 04:23:55,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 793 places, 1943 transitions, 90360 flow, removed 380 selfloop flow, removed 19 redundant places. [2021-04-29 04:23:55,868 INFO L241 Difference]: Finished difference. Result has 804 places, 1881 transitions, 87754 flow [2021-04-29 04:23:55,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=79608, PETRI_DIFFERENCE_MINUEND_PLACES=765, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1813, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1012, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=763, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=87754, PETRI_PLACES=804, PETRI_TRANSITIONS=1881} [2021-04-29 04:23:55,870 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 784 predicate places. [2021-04-29 04:23:55,870 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:23:55,870 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 804 places, 1881 transitions, 87754 flow [2021-04-29 04:23:55,871 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 804 places, 1881 transitions, 87754 flow [2021-04-29 04:23:55,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 803 places, 1881 transitions, 87754 flow [2021-04-29 04:23:58,356 INFO L129 PetriNetUnfolder]: 1069/3580 cut-off events. [2021-04-29 04:23:58,356 INFO L130 PetriNetUnfolder]: For 383262/383262 co-relation queries the response was YES. [2021-04-29 04:23:58,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67374 conditions, 3580 events. 1069/3580 cut-off events. For 383262/383262 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 39031 event pairs, 0 based on Foata normal form. 0/3580 useless extension candidates. Maximal degree in co-relation 66947. Up to 770 conditions per place. [2021-04-29 04:23:58,532 INFO L146 LiptonReduction]: Number of co-enabled transitions 1084 [2021-04-29 04:23:59,104 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:23:59,104 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:23:59,104 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3234 [2021-04-29 04:23:59,104 INFO L480 AbstractCegarLoop]: Abstraction has has 803 places, 1881 transitions, 87754 flow [2021-04-29 04:23:59,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:59,104 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:23:59,104 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:23:59,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128 [2021-04-29 04:23:59,305 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:23:59,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:23:59,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1402075604, now seen corresponding path program 48 times [2021-04-29 04:23:59,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:23:59,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318419614] [2021-04-29 04:23:59,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:23:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:23:59,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:59,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:23:59,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:59,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318419614] [2021-04-29 04:23:59,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325906456] [2021-04-29 04:23:59,357 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:23:59,391 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-04-29 04:23:59,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:23:59,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:23:59,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:23:59,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:59,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:59,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:59,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:59,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:59,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:59,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:59,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:59,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:23:59,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:59,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:59,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:59,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:59,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:59,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:59,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:23:59,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:23:59,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:23:59,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:59,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:59,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:23:59,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:23:59,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:23:59,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:23:59,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:23:59,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:23:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:23:59,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:23:59,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-04-29 04:23:59,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410888525] [2021-04-29 04:23:59,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:23:59,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:23:59,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:23:59,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:23:59,507 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:23:59,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 803 places, 1881 transitions, 87754 flow. Second operand has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:23:59,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:23:59,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:23:59,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:24:05,685 INFO L129 PetriNetUnfolder]: 1068/3548 cut-off events. [2021-04-29 04:24:05,685 INFO L130 PetriNetUnfolder]: For 383063/383063 co-relation queries the response was YES. [2021-04-29 04:24:05,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69721 conditions, 3548 events. 1068/3548 cut-off events. For 383063/383063 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 38441 event pairs, 0 based on Foata normal form. 4/3552 useless extension candidates. Maximal degree in co-relation 69287. Up to 796 conditions per place. [2021-04-29 04:24:05,789 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 835 selfloop transitions, 1103 changer transitions 1/1945 dead transitions. [2021-04-29 04:24:05,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 829 places, 1945 transitions, 94591 flow [2021-04-29 04:24:05,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-04-29 04:24:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-04-29 04:24:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 433 transitions. [2021-04-29 04:24:05,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6443452380952381 [2021-04-29 04:24:05,791 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 433 transitions. [2021-04-29 04:24:05,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 433 transitions. [2021-04-29 04:24:05,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:24:05,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 433 transitions. [2021-04-29 04:24:05,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 15.464285714285714) internal successors, (433), 28 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) [2021-04-29 04:24:05,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 24.0) internal successors, (696), 29 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:05,793 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 24.0) internal successors, (696), 29 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:05,793 INFO L185 Difference]: Start difference. First operand has 803 places, 1881 transitions, 87754 flow. Second operand 28 states and 433 transitions. [2021-04-29 04:24:05,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 829 places, 1945 transitions, 94591 flow [2021-04-29 04:24:13,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 815 places, 1945 transitions, 91694 flow, removed 1155 selfloop flow, removed 14 redundant places. [2021-04-29 04:24:13,920 INFO L241 Difference]: Finished difference. Result has 818 places, 1902 transitions, 88946 flow [2021-04-29 04:24:13,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=84831, PETRI_DIFFERENCE_MINUEND_PLACES=788, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1076, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=796, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=88946, PETRI_PLACES=818, PETRI_TRANSITIONS=1902} [2021-04-29 04:24:13,921 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 798 predicate places. [2021-04-29 04:24:13,922 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:24:13,922 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 818 places, 1902 transitions, 88946 flow [2021-04-29 04:24:13,922 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 818 places, 1902 transitions, 88946 flow [2021-04-29 04:24:13,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 816 places, 1902 transitions, 88946 flow [2021-04-29 04:24:16,465 INFO L129 PetriNetUnfolder]: 1068/3556 cut-off events. [2021-04-29 04:24:16,465 INFO L130 PetriNetUnfolder]: For 363505/363505 co-relation queries the response was YES. [2021-04-29 04:24:16,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66984 conditions, 3556 events. 1068/3556 cut-off events. For 363505/363505 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 38559 event pairs, 0 based on Foata normal form. 0/3556 useless extension candidates. Maximal degree in co-relation 66554. Up to 694 conditions per place. [2021-04-29 04:24:16,655 INFO L146 LiptonReduction]: Number of co-enabled transitions 1084 [2021-04-29 04:24:17,426 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:24:17,426 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:24:17,426 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3504 [2021-04-29 04:24:17,427 INFO L480 AbstractCegarLoop]: Abstraction has has 816 places, 1902 transitions, 88946 flow [2021-04-29 04:24:17,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:17,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:24:17,427 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:24:17,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:24:17,628 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:24:17,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:24:17,628 INFO L82 PathProgramCache]: Analyzing trace with hash -702559232, now seen corresponding path program 49 times [2021-04-29 04:24:17,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:24:17,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650299549] [2021-04-29 04:24:17,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:24:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:24:17,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:17,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:17,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:17,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:17,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:17,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:17,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:17,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:24:17,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650299549] [2021-04-29 04:24:17,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685252635] [2021-04-29 04:24:17,670 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:24:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:24:17,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:24:17,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:24:17,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:17,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:17,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:17,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:17,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:17,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:17,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:17,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:17,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:17,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:17,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:17,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:17,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:17,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:17,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:17,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:17,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:17,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:17,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:17,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:17,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:17,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:24:17,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:24:17,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:17,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:17,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:17,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:17,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:24:17,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:17,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:24:17,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:24:17,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2021-04-29 04:24:17,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139033731] [2021-04-29 04:24:17,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:24:17,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:24:17,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:24:17,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:24:17,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:24:17,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 816 places, 1902 transitions, 88946 flow. Second operand has 13 states, 13 states have (on average 14.153846153846153) internal successors, (184), 13 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:17,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:24:17,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:24:17,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:24:24,264 INFO L129 PetriNetUnfolder]: 1099/3720 cut-off events. [2021-04-29 04:24:24,264 INFO L130 PetriNetUnfolder]: For 400586/400586 co-relation queries the response was YES. [2021-04-29 04:24:24,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73113 conditions, 3720 events. 1099/3720 cut-off events. For 400586/400586 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 41017 event pairs, 0 based on Foata normal form. 16/3736 useless extension candidates. Maximal degree in co-relation 72675. Up to 1157 conditions per place. [2021-04-29 04:24:24,374 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 1139 selfloop transitions, 896 changer transitions 0/2041 dead transitions. [2021-04-29 04:24:24,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 833 places, 2041 transitions, 100336 flow [2021-04-29 04:24:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 04:24:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 04:24:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 306 transitions. [2021-04-29 04:24:24,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6710526315789473 [2021-04-29 04:24:24,376 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 306 transitions. [2021-04-29 04:24:24,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 306 transitions. [2021-04-29 04:24:24,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:24:24,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 306 transitions. [2021-04-29 04:24:24,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 16.105263157894736) internal successors, (306), 19 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:24,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 24.0) internal successors, (480), 20 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:24,377 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 24.0) internal successors, (480), 20 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:24,377 INFO L185 Difference]: Start difference. First operand has 816 places, 1902 transitions, 88946 flow. Second operand 19 states and 306 transitions. [2021-04-29 04:24:24,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 833 places, 2041 transitions, 100336 flow [2021-04-29 04:24:32,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 818 places, 2041 transitions, 99420 flow, removed 166 selfloop flow, removed 15 redundant places. [2021-04-29 04:24:32,852 INFO L241 Difference]: Finished difference. Result has 821 places, 1946 transitions, 93669 flow [2021-04-29 04:24:32,854 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=87558, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=847, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1007, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=93669, PETRI_PLACES=821, PETRI_TRANSITIONS=1946} [2021-04-29 04:24:32,854 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 801 predicate places. [2021-04-29 04:24:32,854 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:24:32,854 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 821 places, 1946 transitions, 93669 flow [2021-04-29 04:24:32,854 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 821 places, 1946 transitions, 93669 flow [2021-04-29 04:24:32,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 821 places, 1946 transitions, 93669 flow [2021-04-29 04:24:35,568 INFO L129 PetriNetUnfolder]: 1099/3713 cut-off events. [2021-04-29 04:24:35,568 INFO L130 PetriNetUnfolder]: For 402510/402510 co-relation queries the response was YES. [2021-04-29 04:24:35,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71188 conditions, 3713 events. 1099/3713 cut-off events. For 402510/402510 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 40978 event pairs, 0 based on Foata normal form. 0/3713 useless extension candidates. Maximal degree in co-relation 70711. Up to 759 conditions per place. [2021-04-29 04:24:35,719 INFO L146 LiptonReduction]: Number of co-enabled transitions 1120 [2021-04-29 04:24:36,450 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:24:36,450 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:24:36,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3596 [2021-04-29 04:24:36,451 INFO L480 AbstractCegarLoop]: Abstraction has has 821 places, 1946 transitions, 93669 flow [2021-04-29 04:24:36,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.153846153846153) internal successors, (184), 13 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:36,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:24:36,451 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:24:36,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:24:36,652 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:24:36,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:24:36,652 INFO L82 PathProgramCache]: Analyzing trace with hash -610576260, now seen corresponding path program 50 times [2021-04-29 04:24:36,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:24:36,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49109536] [2021-04-29 04:24:36,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:24:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:24:36,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:36,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:36,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:36,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:36,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:36,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:36,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:36,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:24:36,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49109536] [2021-04-29 04:24:36,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372415120] [2021-04-29 04:24:36,699 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:24:36,724 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:24:36,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:24:36,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:24:36,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:24:36,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:36,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:36,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:36,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:36,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:36,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:36,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:36,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:36,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:36,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:36,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:36,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:36,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:24:36,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:24:36,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:36,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:36,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:36,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:36,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:36,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:36,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:36,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:36,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:36,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:36,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:36,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:36,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:24:36,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:36,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:24:36,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:24:36,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-04-29 04:24:36,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94076793] [2021-04-29 04:24:36,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 04:24:36,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:24:36,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 04:24:36,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-04-29 04:24:36,847 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:24:36,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 821 places, 1946 transitions, 93669 flow. Second operand has 15 states, 15 states have (on average 14.133333333333333) internal successors, (212), 15 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:36,848 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:24:36,848 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:24:36,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:24:43,241 INFO L129 PetriNetUnfolder]: 1137/3823 cut-off events. [2021-04-29 04:24:43,241 INFO L130 PetriNetUnfolder]: For 447153/447153 co-relation queries the response was YES. [2021-04-29 04:24:43,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77051 conditions, 3823 events. 1137/3823 cut-off events. For 447153/447153 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 42308 event pairs, 0 based on Foata normal form. 36/3859 useless extension candidates. Maximal degree in co-relation 76563. Up to 2562 conditions per place. [2021-04-29 04:24:43,355 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 1840 selfloop transitions, 187 changer transitions 0/2033 dead transitions. [2021-04-29 04:24:43,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 2033 transitions, 103588 flow [2021-04-29 04:24:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 04:24:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 04:24:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 345 transitions. [2021-04-29 04:24:43,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6845238095238095 [2021-04-29 04:24:43,356 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 345 transitions. [2021-04-29 04:24:43,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 345 transitions. [2021-04-29 04:24:43,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:24:43,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 345 transitions. [2021-04-29 04:24:43,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 16.428571428571427) internal successors, (345), 21 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:43,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 24.0) internal successors, (528), 22 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:43,358 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 24.0) internal successors, (528), 22 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:43,358 INFO L185 Difference]: Start difference. First operand has 821 places, 1946 transitions, 93669 flow. Second operand 21 states and 345 transitions. [2021-04-29 04:24:43,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 841 places, 2033 transitions, 103588 flow [2021-04-29 04:24:51,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 828 places, 2033 transitions, 102571 flow, removed 242 selfloop flow, removed 13 redundant places. [2021-04-29 04:24:51,977 INFO L241 Difference]: Finished difference. Result has 838 places, 2003 transitions, 97217 flow [2021-04-29 04:24:51,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=92404, PETRI_DIFFERENCE_MINUEND_PLACES=808, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1940, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1803, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=97217, PETRI_PLACES=838, PETRI_TRANSITIONS=2003} [2021-04-29 04:24:51,978 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 818 predicate places. [2021-04-29 04:24:51,978 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:24:51,978 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 2003 transitions, 97217 flow [2021-04-29 04:24:51,979 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 2003 transitions, 97217 flow [2021-04-29 04:24:52,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 838 places, 2003 transitions, 97217 flow [2021-04-29 04:24:54,538 INFO L129 PetriNetUnfolder]: 1137/3821 cut-off events. [2021-04-29 04:24:54,538 INFO L130 PetriNetUnfolder]: For 438605/438605 co-relation queries the response was YES. [2021-04-29 04:24:54,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74445 conditions, 3821 events. 1137/3821 cut-off events. For 438605/438605 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 42333 event pairs, 0 based on Foata normal form. 0/3821 useless extension candidates. Maximal degree in co-relation 74012. Up to 796 conditions per place. [2021-04-29 04:24:54,700 INFO L146 LiptonReduction]: Number of co-enabled transitions 1160 [2021-04-29 04:24:55,577 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:24:55,577 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:24:55,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3599 [2021-04-29 04:24:55,578 INFO L480 AbstractCegarLoop]: Abstraction has has 838 places, 2003 transitions, 97217 flow [2021-04-29 04:24:55,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 14.133333333333333) internal successors, (212), 15 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:55,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:24:55,578 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:24:55,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:24:55,779 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:24:55,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:24:55,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1810148664, now seen corresponding path program 51 times [2021-04-29 04:24:55,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:24:55,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783407237] [2021-04-29 04:24:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:24:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:24:55,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:55,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:55,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:55,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:55,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:55,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:55,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:24:55,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:24:55,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783407237] [2021-04-29 04:24:55,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38756372] [2021-04-29 04:24:55,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:24:55,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 04:24:55,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:24:55,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:24:55,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:24:55,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:55,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:55,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:55,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:24:55,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:55,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:55,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:55,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:55,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:55,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:55,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:55,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:55,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:55,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:55,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:55,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:55,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:55,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:55,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:24:55,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:24:55,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:24:55,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:24:55,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:24:55,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:55,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:24:55,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:24:55,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:24:55,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:24:55,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:24:55,959 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:24:55,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:24:55,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 13 [2021-04-29 04:24:55,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392478734] [2021-04-29 04:24:55,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:24:55,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:24:55,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:24:55,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:24:55,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:24:55,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 838 places, 2003 transitions, 97217 flow. Second operand has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 13 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:24:55,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:24:55,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:24:55,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:25:03,746 INFO L129 PetriNetUnfolder]: 1218/4101 cut-off events. [2021-04-29 04:25:03,746 INFO L130 PetriNetUnfolder]: For 500663/500663 co-relation queries the response was YES. [2021-04-29 04:25:03,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84127 conditions, 4101 events. 1218/4101 cut-off events. For 500663/500663 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 46120 event pairs, 0 based on Foata normal form. 9/4110 useless extension candidates. Maximal degree in co-relation 83680. Up to 2331 conditions per place. [2021-04-29 04:25:03,870 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 1774 selfloop transitions, 402 changer transitions 0/2182 dead transitions. [2021-04-29 04:25:03,870 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 853 places, 2182 transitions, 111738 flow [2021-04-29 04:25:03,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 04:25:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 04:25:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 263 transitions. [2021-04-29 04:25:03,871 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6848958333333334 [2021-04-29 04:25:03,872 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 263 transitions. [2021-04-29 04:25:03,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 263 transitions. [2021-04-29 04:25:03,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:25:03,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 263 transitions. [2021-04-29 04:25:03,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 16.4375) internal successors, (263), 16 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:03,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 24.0) internal successors, (408), 17 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:03,873 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 24.0) internal successors, (408), 17 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:03,873 INFO L185 Difference]: Start difference. First operand has 838 places, 2003 transitions, 97217 flow. Second operand 16 states and 263 transitions. [2021-04-29 04:25:03,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 853 places, 2182 transitions, 111738 flow [2021-04-29 04:25:13,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 843 places, 2182 transitions, 108766 flow, removed 1359 selfloop flow, removed 10 redundant places. [2021-04-29 04:25:14,093 INFO L241 Difference]: Finished difference. Result has 849 places, 2106 transitions, 101419 flow [2021-04-29 04:25:14,095 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=94295, PETRI_DIFFERENCE_MINUEND_PLACES=828, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1648, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=101419, PETRI_PLACES=849, PETRI_TRANSITIONS=2106} [2021-04-29 04:25:14,095 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 829 predicate places. [2021-04-29 04:25:14,095 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:25:14,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 849 places, 2106 transitions, 101419 flow [2021-04-29 04:25:14,096 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 849 places, 2106 transitions, 101419 flow [2021-04-29 04:25:14,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 849 places, 2106 transitions, 101419 flow [2021-04-29 04:25:17,349 INFO L129 PetriNetUnfolder]: 1218/4123 cut-off events. [2021-04-29 04:25:17,349 INFO L130 PetriNetUnfolder]: For 485619/485619 co-relation queries the response was YES. [2021-04-29 04:25:17,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80443 conditions, 4123 events. 1218/4123 cut-off events. For 485619/485619 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 46472 event pairs, 0 based on Foata normal form. 0/4123 useless extension candidates. Maximal degree in co-relation 79945. Up to 857 conditions per place. [2021-04-29 04:25:17,749 INFO L146 LiptonReduction]: Number of co-enabled transitions 1202 [2021-04-29 04:25:18,564 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:25:18,564 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:25:18,565 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4470 [2021-04-29 04:25:18,565 INFO L480 AbstractCegarLoop]: Abstraction has has 849 places, 2106 transitions, 101419 flow [2021-04-29 04:25:18,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.307692307692308) internal successors, (186), 13 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:18,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:25:18,565 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:25:18,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable132 [2021-04-29 04:25:18,766 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:25:18,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:25:18,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1110437958, now seen corresponding path program 25 times [2021-04-29 04:25:18,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:25:18,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701445554] [2021-04-29 04:25:18,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:25:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:25:18,790 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:25:18,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:25:18,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:25:18,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:18,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:25:18,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:25:18,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:18,888 INFO L142 QuantifierPusher]: treesize reduction 17, result has 56.4 percent of original size [2021-04-29 04:25:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:25:18,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:25:18,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701445554] [2021-04-29 04:25:18,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998836369] [2021-04-29 04:25:18,939 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:25:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:25:18,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:25:18,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:25:18,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:18,978 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:25:18,979 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-04-29 04:25:18,979 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-04-29 04:25:18,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:18,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:18,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:18,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:18,999 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 04:25:19,000 INFO L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-04-29 04:25:19,000 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-04-29 04:25:19,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:25:19,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:25:19,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:25:19,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:19,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:25:19,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:19,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:25:19,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 04:25:19,035 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-04-29 04:25:19,035 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:25:19,038 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:19,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:25:19,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:25:19,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:25:19,052 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-04-29 04:25:19,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:25:19,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:25:19,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:25:19,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:25:19,055 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 04:25:19,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:19,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:19,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:19,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:19,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:25:19,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:19,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:25:19,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:25:19,066 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:25:19,066 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:25:19,067 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:19,068 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-04-29 04:25:19,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:19,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:25:19,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:25:19,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-04-29 04:25:19,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696949934] [2021-04-29 04:25:19,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 04:25:19,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:25:19,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 04:25:19,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-04-29 04:25:19,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:25:19,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 849 places, 2106 transitions, 101419 flow. Second operand has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:19,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:25:19,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:25:19,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:25:28,418 INFO L129 PetriNetUnfolder]: 1286/4405 cut-off events. [2021-04-29 04:25:28,419 INFO L130 PetriNetUnfolder]: For 551583/551583 co-relation queries the response was YES. [2021-04-29 04:25:28,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90729 conditions, 4405 events. 1286/4405 cut-off events. For 551583/551583 co-relation queries the response was YES. Maximal size of possible extension queue 600. Compared 50477 event pairs, 0 based on Foata normal form. 11/4416 useless extension candidates. Maximal degree in co-relation 90191. Up to 3224 conditions per place. [2021-04-29 04:25:28,548 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2029 selfloop transitions, 220 changer transitions 6/2267 dead transitions. [2021-04-29 04:25:28,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 863 places, 2267 transitions, 114785 flow [2021-04-29 04:25:28,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 04:25:28,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 04:25:28,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 227 transitions. [2021-04-29 04:25:28,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6305555555555555 [2021-04-29 04:25:28,549 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 227 transitions. [2021-04-29 04:25:28,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 227 transitions. [2021-04-29 04:25:28,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:25:28,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 227 transitions. [2021-04-29 04:25:28,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:28,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:28,550 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 24.0) internal successors, (384), 16 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:28,550 INFO L185 Difference]: Start difference. First operand has 849 places, 2106 transitions, 101419 flow. Second operand 15 states and 227 transitions. [2021-04-29 04:25:28,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 863 places, 2267 transitions, 114785 flow [2021-04-29 04:25:39,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 856 places, 2267 transitions, 112891 flow, removed 902 selfloop flow, removed 7 redundant places. [2021-04-29 04:25:39,827 INFO L241 Difference]: Finished difference. Result has 869 places, 2244 transitions, 108322 flow [2021-04-29 04:25:39,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=100315, PETRI_DIFFERENCE_MINUEND_PLACES=842, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1924, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=108322, PETRI_PLACES=869, PETRI_TRANSITIONS=2244} [2021-04-29 04:25:39,829 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 849 predicate places. [2021-04-29 04:25:39,829 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:25:39,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 869 places, 2244 transitions, 108322 flow [2021-04-29 04:25:39,829 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 869 places, 2244 transitions, 108322 flow [2021-04-29 04:25:39,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 867 places, 2244 transitions, 108322 flow [2021-04-29 04:25:43,377 INFO L129 PetriNetUnfolder]: 1286/4395 cut-off events. [2021-04-29 04:25:43,377 INFO L130 PetriNetUnfolder]: For 532844/532844 co-relation queries the response was YES. [2021-04-29 04:25:43,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86903 conditions, 4395 events. 1286/4395 cut-off events. For 532844/532844 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 50306 event pairs, 0 based on Foata normal form. 0/4395 useless extension candidates. Maximal degree in co-relation 86378. Up to 963 conditions per place. [2021-04-29 04:25:43,567 INFO L146 LiptonReduction]: Number of co-enabled transitions 1252 [2021-04-29 04:25:44,369 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:25:44,369 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:25:44,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4541 [2021-04-29 04:25:44,370 INFO L480 AbstractCegarLoop]: Abstraction has has 867 places, 2244 transitions, 108322 flow [2021-04-29 04:25:44,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:44,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:25:44,370 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:25:44,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable133 [2021-04-29 04:25:44,571 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:25:44,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:25:44,571 INFO L82 PathProgramCache]: Analyzing trace with hash 594228890, now seen corresponding path program 26 times [2021-04-29 04:25:44,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:25:44,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313133195] [2021-04-29 04:25:44,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:25:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:25:44,593 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:25:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:25:44,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:25:44,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:44,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:25:44,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:44,680 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:25:44,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:25:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:25:44,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313133195] [2021-04-29 04:25:44,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993312373] [2021-04-29 04:25:44,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:25:44,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:25:44,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:25:44,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:25:44,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:25:44,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:25:44,754 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:25:44,755 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-04-29 04:25:44,755 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-04-29 04:25:44,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:44,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:44,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:44,775 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 04:25:44,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:25:44,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:25:44,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:25:44,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:25:44,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:44,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:44,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:44,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:25:44,809 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-04-29 04:25:44,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,817 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:25:44,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:25:44,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:25:44,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:25:44,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:25:44,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:44,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:44,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:44,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:25:44,823 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 04:25:44,823 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:25:44,824 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:44,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:44,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:44,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:25:44,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:25:44,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:44,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:25:44,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:25:44,865 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:25:44,865 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:25:44,866 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:25:44,867 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:25:44,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:25:44,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:25:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:25:44,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:25:44,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-04-29 04:25:44,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833662803] [2021-04-29 04:25:44,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 04:25:44,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:25:44,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 04:25:44,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-04-29 04:25:44,906 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:25:44,906 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 867 places, 2244 transitions, 108322 flow. Second operand has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:44,906 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:25:44,906 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:25:44,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:25:54,637 INFO L129 PetriNetUnfolder]: 1314/4482 cut-off events. [2021-04-29 04:25:54,637 INFO L130 PetriNetUnfolder]: For 553052/553052 co-relation queries the response was YES. [2021-04-29 04:25:54,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92614 conditions, 4482 events. 1314/4482 cut-off events. For 553052/553052 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 51395 event pairs, 0 based on Foata normal form. 2/4484 useless extension candidates. Maximal degree in co-relation 92148. Up to 3238 conditions per place. [2021-04-29 04:25:54,779 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2069 selfloop transitions, 240 changer transitions 1/2322 dead transitions. [2021-04-29 04:25:54,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 879 places, 2322 transitions, 116748 flow [2021-04-29 04:25:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 04:25:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 04:25:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 205 transitions. [2021-04-29 04:25:54,782 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.657051282051282 [2021-04-29 04:25:54,782 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 205 transitions. [2021-04-29 04:25:54,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 205 transitions. [2021-04-29 04:25:54,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:25:54,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 205 transitions. [2021-04-29 04:25:54,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 15.76923076923077) internal successors, (205), 13 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:54,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:54,783 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:25:54,783 INFO L185 Difference]: Start difference. First operand has 867 places, 2244 transitions, 108322 flow. Second operand 13 states and 205 transitions. [2021-04-29 04:25:54,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 879 places, 2322 transitions, 116748 flow [2021-04-29 04:26:06,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 877 places, 2322 transitions, 114220 flow, removed 1264 selfloop flow, removed 2 redundant places. [2021-04-29 04:26:06,941 INFO L241 Difference]: Finished difference. Result has 882 places, 2286 transitions, 108489 flow [2021-04-29 04:26:06,943 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=105886, PETRI_DIFFERENCE_MINUEND_PLACES=865, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=203, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2011, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=108489, PETRI_PLACES=882, PETRI_TRANSITIONS=2286} [2021-04-29 04:26:06,943 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 862 predicate places. [2021-04-29 04:26:06,943 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:26:06,943 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 882 places, 2286 transitions, 108489 flow [2021-04-29 04:26:06,944 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 882 places, 2286 transitions, 108489 flow [2021-04-29 04:26:07,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 881 places, 2286 transitions, 108489 flow [2021-04-29 04:26:11,013 INFO L129 PetriNetUnfolder]: 1314/4500 cut-off events. [2021-04-29 04:26:11,013 INFO L130 PetriNetUnfolder]: For 530989/530989 co-relation queries the response was YES. [2021-04-29 04:26:11,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87017 conditions, 4500 events. 1314/4500 cut-off events. For 530989/530989 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 51692 event pairs, 0 based on Foata normal form. 0/4500 useless extension candidates. Maximal degree in co-relation 86491. Up to 865 conditions per place. [2021-04-29 04:26:11,204 INFO L146 LiptonReduction]: Number of co-enabled transitions 1262 [2021-04-29 04:26:12,259 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:26:12,259 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:26:12,260 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5317 [2021-04-29 04:26:12,260 INFO L480 AbstractCegarLoop]: Abstraction has has 881 places, 2286 transitions, 108489 flow [2021-04-29 04:26:12,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:12,260 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:26:12,260 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:26:12,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2021-04-29 04:26:12,464 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:26:12,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:26:12,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1482891124, now seen corresponding path program 27 times [2021-04-29 04:26:12,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:26:12,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400512087] [2021-04-29 04:26:12,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:26:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:26:12,482 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:26:12,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:26:12,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:26:12,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:26:12,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:26:12,537 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-04-29 04:26:12,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 04:26:12,574 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:26:12,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:26:12,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400512087] [2021-04-29 04:26:12,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311958673] [2021-04-29 04:26:12,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:26:12,636 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:26:12,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:26:12,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:26:12,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:26:12,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,649 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:26:12,649 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-04-29 04:26:12,650 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-04-29 04:26:12,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:26:12,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:26:12,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:26:12,666 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 04:26:12,667 INFO L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-04-29 04:26:12,667 INFO L142 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-04-29 04:26:12,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:26:12,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:26:12,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:26:12,688 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-04-29 04:26:12,688 INFO L147 QuantifierPusher]: treesize reduction 7, result has 68.2 percent of original size 15 [2021-04-29 04:26:12,689 INFO L142 QuantifierPusher]: treesize reduction 7, result has 68.2 percent of original size [2021-04-29 04:26:12,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,706 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 04:26:12,707 INFO L147 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size 7 [2021-04-29 04:26:12,707 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-04-29 04:26:12,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:12,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:12,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:26:12,744 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:26:12,744 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:26:12,745 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:12,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:26:12,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:12,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:26:12,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:26:12,763 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:26:12,764 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:26:12,765 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:12,766 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:26:12,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:12,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:12,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:26:12,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:26:12,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-04-29 04:26:12,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90472445] [2021-04-29 04:26:12,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 04:26:12,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:26:12,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 04:26:12,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-04-29 04:26:12,797 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:26:12,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 881 places, 2286 transitions, 108489 flow. Second operand has 15 states, 15 states have (on average 13.266666666666667) internal successors, (199), 15 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:12,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:26:12,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:26:12,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:26:23,499 INFO L129 PetriNetUnfolder]: 1314/4478 cut-off events. [2021-04-29 04:26:23,499 INFO L130 PetriNetUnfolder]: For 532094/532094 co-relation queries the response was YES. [2021-04-29 04:26:23,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90563 conditions, 4478 events. 1314/4478 cut-off events. For 532094/532094 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 51312 event pairs, 0 based on Foata normal form. 4/4482 useless extension candidates. Maximal degree in co-relation 90093. Up to 3369 conditions per place. [2021-04-29 04:26:23,635 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2135 selfloop transitions, 147 changer transitions 3/2297 dead transitions. [2021-04-29 04:26:23,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 887 places, 2297 transitions, 113712 flow [2021-04-29 04:26:23,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 04:26:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 04:26:23,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 110 transitions. [2021-04-29 04:26:23,637 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6547619047619048 [2021-04-29 04:26:23,637 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 110 transitions. [2021-04-29 04:26:23,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 110 transitions. [2021-04-29 04:26:23,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:26:23,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 110 transitions. [2021-04-29 04:26:23,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:23,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:23,638 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:23,638 INFO L185 Difference]: Start difference. First operand has 881 places, 2286 transitions, 108489 flow. Second operand 7 states and 110 transitions. [2021-04-29 04:26:23,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 887 places, 2297 transitions, 113712 flow [2021-04-29 04:26:35,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 884 places, 2297 transitions, 113040 flow, removed 283 selfloop flow, removed 3 redundant places. [2021-04-29 04:26:35,214 INFO L241 Difference]: Finished difference. Result has 886 places, 2284 transitions, 108170 flow [2021-04-29 04:26:35,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=107821, PETRI_DIFFERENCE_MINUEND_PLACES=878, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=108170, PETRI_PLACES=886, PETRI_TRANSITIONS=2284} [2021-04-29 04:26:35,217 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 866 predicate places. [2021-04-29 04:26:35,217 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:26:35,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 886 places, 2284 transitions, 108170 flow [2021-04-29 04:26:35,217 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 886 places, 2284 transitions, 108170 flow [2021-04-29 04:26:35,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 885 places, 2284 transitions, 108170 flow [2021-04-29 04:26:38,734 INFO L129 PetriNetUnfolder]: 1314/4463 cut-off events. [2021-04-29 04:26:38,734 INFO L130 PetriNetUnfolder]: For 527035/527035 co-relation queries the response was YES. [2021-04-29 04:26:38,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86719 conditions, 4463 events. 1314/4463 cut-off events. For 527035/527035 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 51168 event pairs, 0 based on Foata normal form. 0/4463 useless extension candidates. Maximal degree in co-relation 86188. Up to 853 conditions per place. [2021-04-29 04:26:38,933 INFO L146 LiptonReduction]: Number of co-enabled transitions 1258 [2021-04-29 04:26:39,773 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:26:39,773 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:26:39,773 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4556 [2021-04-29 04:26:39,773 INFO L480 AbstractCegarLoop]: Abstraction has has 885 places, 2284 transitions, 108170 flow [2021-04-29 04:26:39,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 13.266666666666667) internal successors, (199), 15 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:39,774 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:26:39,774 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:26:39,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable139 [2021-04-29 04:26:39,979 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:26:39,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:26:39,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1703256326, now seen corresponding path program 28 times [2021-04-29 04:26:39,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:26:39,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448227949] [2021-04-29 04:26:39,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:26:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:26:40,003 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:26:40,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:26:40,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:26:40,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:26:40,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:26:40,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:26:40,085 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:26:40,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:26:40,118 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:26:40,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448227949] [2021-04-29 04:26:40,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153956105] [2021-04-29 04:26:40,118 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:26:40,145 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:26:40,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:26:40,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:26:40,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:26:40,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,156 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:26:40,156 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-04-29 04:26:40,157 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-29 04:26:40,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:26:40,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:26:40,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:26:40,178 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:26:40,179 INFO L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-04-29 04:26:40,186 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-04-29 04:26:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:26:40,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:26:40,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:26:40,206 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-04-29 04:26:40,207 INFO L147 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size 13 [2021-04-29 04:26:40,208 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-04-29 04:26:40,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:26:40,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:26:40,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:26:40,223 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:26:40,225 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:26:40,225 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:26:40,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:26:40,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:26:40,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:26:40,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:26:40,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:26:40,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:40,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:26:40,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:26:40,243 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 04:26:40,244 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:26:40,244 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:40,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:26:40,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:26:40,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:26:40,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:26:40,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:40,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:26:40,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:26:40,276 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:26:40,277 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:26:40,278 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:26:40,279 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:26:40,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:26:40,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:26:40,313 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:26:40,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:26:40,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 12 [2021-04-29 04:26:40,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855540434] [2021-04-29 04:26:40,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 04:26:40,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:26:40,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 04:26:40,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-04-29 04:26:40,315 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:26:40,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 885 places, 2284 transitions, 108170 flow. Second operand has 14 states, 14 states have (on average 13.214285714285714) internal successors, (185), 14 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:40,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:26:40,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:26:40,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:26:50,629 INFO L129 PetriNetUnfolder]: 1326/4509 cut-off events. [2021-04-29 04:26:50,629 INFO L130 PetriNetUnfolder]: For 540557/540557 co-relation queries the response was YES. [2021-04-29 04:26:50,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91659 conditions, 4509 events. 1326/4509 cut-off events. For 540557/540557 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 51652 event pairs, 0 based on Foata normal form. 3/4512 useless extension candidates. Maximal degree in co-relation 91187. Up to 3352 conditions per place. [2021-04-29 04:26:50,766 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2119 selfloop transitions, 189 changer transitions 1/2321 dead transitions. [2021-04-29 04:26:50,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 894 places, 2321 transitions, 115067 flow [2021-04-29 04:26:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:26:50,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:26:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 154 transitions. [2021-04-29 04:26:50,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6416666666666667 [2021-04-29 04:26:50,767 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 154 transitions. [2021-04-29 04:26:50,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 154 transitions. [2021-04-29 04:26:50,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:26:50,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 154 transitions. [2021-04-29 04:26:50,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 15.4) internal successors, (154), 10 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:50,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:50,768 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:26:50,768 INFO L185 Difference]: Start difference. First operand has 885 places, 2284 transitions, 108170 flow. Second operand 10 states and 154 transitions. [2021-04-29 04:26:50,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 894 places, 2321 transitions, 115067 flow [2021-04-29 04:27:03,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 890 places, 2321 transitions, 114729 flow, removed 64 selfloop flow, removed 4 redundant places. [2021-04-29 04:27:03,159 INFO L241 Difference]: Finished difference. Result has 894 places, 2307 transitions, 109781 flow [2021-04-29 04:27:03,161 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=107838, PETRI_DIFFERENCE_MINUEND_PLACES=881, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2095, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=109781, PETRI_PLACES=894, PETRI_TRANSITIONS=2307} [2021-04-29 04:27:03,161 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 874 predicate places. [2021-04-29 04:27:03,162 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:27:03,162 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 894 places, 2307 transitions, 109781 flow [2021-04-29 04:27:03,162 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 894 places, 2307 transitions, 109781 flow [2021-04-29 04:27:03,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 893 places, 2307 transitions, 109781 flow [2021-04-29 04:27:06,898 INFO L129 PetriNetUnfolder]: 1326/4544 cut-off events. [2021-04-29 04:27:06,898 INFO L130 PetriNetUnfolder]: For 544318/544318 co-relation queries the response was YES. [2021-04-29 04:27:07,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88254 conditions, 4544 events. 1326/4544 cut-off events. For 544318/544318 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 52338 event pairs, 0 based on Foata normal form. 0/4544 useless extension candidates. Maximal degree in co-relation 87720. Up to 871 conditions per place. [2021-04-29 04:27:07,307 INFO L146 LiptonReduction]: Number of co-enabled transitions 1272 [2021-04-29 04:27:08,153 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:27:08,154 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:27:08,154 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4992 [2021-04-29 04:27:08,154 INFO L480 AbstractCegarLoop]: Abstraction has has 893 places, 2307 transitions, 109781 flow [2021-04-29 04:27:08,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 13.214285714285714) internal successors, (185), 14 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:27:08,154 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:27:08,154 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:27:08,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142,89 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:27:08,355 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:27:08,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:27:08,355 INFO L82 PathProgramCache]: Analyzing trace with hash 262655060, now seen corresponding path program 29 times [2021-04-29 04:27:08,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:27:08,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898570472] [2021-04-29 04:27:08,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:27:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:27:08,372 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:27:08,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:27:08,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:27:08,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:27:08,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:08,427 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-04-29 04:27:08,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 04:27:08,469 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:27:08,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:27:08,502 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:27:08,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898570472] [2021-04-29 04:27:08,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110835325] [2021-04-29 04:27:08,503 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:27:08,529 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:27:08,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:27:08,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:27:08,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:27:08,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,541 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:27:08,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:08,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:08,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:08,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:08,563 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:27:08,564 INFO L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-04-29 04:27:08,565 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-04-29 04:27:08,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:27:08,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:27:08,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:27:08,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,591 INFO L147 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size 21 [2021-04-29 04:27:08,592 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-04-29 04:27:08,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:27:08,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:27:08,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:27:08,610 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-04-29 04:27:08,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,618 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:27:08,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:08,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:08,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:08,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:08,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:08,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:27:08,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:27:08,647 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:27:08,648 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:27:08,650 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:27:08,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:27:08,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:27:08,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:27:08,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:27:08,669 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:27:08,669 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:27:08,670 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:27:08,671 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:27:08,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:08,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:27:08,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:27:08,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-04-29 04:27:08,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987250119] [2021-04-29 04:27:08,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 04:27:08,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:27:08,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 04:27:08,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-04-29 04:27:08,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:27:08,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 893 places, 2307 transitions, 109781 flow. Second operand has 15 states, 15 states have (on average 13.133333333333333) internal successors, (197), 15 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:27:08,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:27:08,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:27:08,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:27:19,002 INFO L129 PetriNetUnfolder]: 1332/4558 cut-off events. [2021-04-29 04:27:19,003 INFO L130 PetriNetUnfolder]: For 561439/561439 co-relation queries the response was YES. [2021-04-29 04:27:19,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92706 conditions, 4558 events. 1332/4558 cut-off events. For 561439/561439 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 52516 event pairs, 0 based on Foata normal form. 2/4560 useless extension candidates. Maximal degree in co-relation 92167. Up to 3276 conditions per place. [2021-04-29 04:27:19,144 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2104 selfloop transitions, 237 changer transitions 1/2354 dead transitions. [2021-04-29 04:27:19,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 904 places, 2354 transitions, 117270 flow [2021-04-29 04:27:19,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 04:27:19,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 04:27:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 191 transitions. [2021-04-29 04:27:19,146 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6631944444444444 [2021-04-29 04:27:19,146 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 191 transitions. [2021-04-29 04:27:19,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 191 transitions. [2021-04-29 04:27:19,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:27:19,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 191 transitions. [2021-04-29 04:27:19,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 12 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:27:19,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:27:19,147 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:27:19,147 INFO L185 Difference]: Start difference. First operand has 893 places, 2307 transitions, 109781 flow. Second operand 12 states and 191 transitions. [2021-04-29 04:27:19,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 904 places, 2354 transitions, 117270 flow [2021-04-29 04:27:31,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 898 places, 2354 transitions, 116425 flow, removed 276 selfloop flow, removed 6 redundant places. [2021-04-29 04:27:31,697 INFO L241 Difference]: Finished difference. Result has 901 places, 2320 transitions, 110447 flow [2021-04-29 04:27:31,699 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=108948, PETRI_DIFFERENCE_MINUEND_PLACES=887, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=224, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2070, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=110447, PETRI_PLACES=901, PETRI_TRANSITIONS=2320} [2021-04-29 04:27:31,699 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 881 predicate places. [2021-04-29 04:27:31,699 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:27:31,699 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 901 places, 2320 transitions, 110447 flow [2021-04-29 04:27:31,700 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 901 places, 2320 transitions, 110447 flow [2021-04-29 04:27:31,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 900 places, 2320 transitions, 110447 flow [2021-04-29 04:27:35,256 INFO L129 PetriNetUnfolder]: 1332/4561 cut-off events. [2021-04-29 04:27:35,256 INFO L130 PetriNetUnfolder]: For 554960/554960 co-relation queries the response was YES. [2021-04-29 04:27:35,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88950 conditions, 4561 events. 1332/4561 cut-off events. For 554960/554960 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 52579 event pairs, 0 based on Foata normal form. 0/4561 useless extension candidates. Maximal degree in co-relation 88418. Up to 876 conditions per place. [2021-04-29 04:27:35,659 INFO L146 LiptonReduction]: Number of co-enabled transitions 1276 [2021-04-29 04:27:36,564 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:27:36,564 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:27:36,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4865 [2021-04-29 04:27:36,565 INFO L480 AbstractCegarLoop]: Abstraction has has 900 places, 2320 transitions, 110447 flow [2021-04-29 04:27:36,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 13.133333333333333) internal successors, (197), 15 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:27:36,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:27:36,565 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:27:36,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145,90 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:27:36,766 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:27:36,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:27:36,766 INFO L82 PathProgramCache]: Analyzing trace with hash 261761330, now seen corresponding path program 30 times [2021-04-29 04:27:36,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:27:36,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445822948] [2021-04-29 04:27:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:27:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:27:36,783 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:27:36,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:27:36,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:27:36,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:27:36,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:36,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:36,844 INFO L142 QuantifierPusher]: treesize reduction 16, result has 85.0 percent of original size [2021-04-29 04:27:36,845 INFO L147 QuantifierPusher]: treesize reduction 31, result has 65.9 percent of original size 60 [2021-04-29 04:27:36,895 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:27:36,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:36,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:27:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:27:36,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445822948] [2021-04-29 04:27:36,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832668139] [2021-04-29 04:27:36,924 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:27:36,955 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:27:36,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:27:36,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:27:36,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:27:36,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:36,970 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:27:36,970 INFO L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-04-29 04:27:36,971 INFO L142 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-04-29 04:27:36,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:27:36,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:27:36,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:27:36,991 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 04:27:36,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:27:36,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:27:36,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:27:36,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:36,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:27:37,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:27:37,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:27:37,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:27:37,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:27:37,021 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-04-29 04:27:37,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,025 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:27:37,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:37,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:37,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:37,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:27:37,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:37,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:37,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:37,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:27:37,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:27:37,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:27:37,051 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:27:37,051 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:27:37,052 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:27:37,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:27:37,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:27:37,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:27:37,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:27:37,069 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:27:37,069 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:27:37,070 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:27:37,071 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:27:37,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:27:37,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:27:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:27:37,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:27:37,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-04-29 04:27:37,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422834523] [2021-04-29 04:27:37,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 04:27:37,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:27:37,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 04:27:37,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-04-29 04:27:37,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:27:37,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 900 places, 2320 transitions, 110447 flow. Second operand has 15 states, 15 states have (on average 13.133333333333333) internal successors, (197), 15 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:27:37,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:27:37,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:27:37,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:27:47,792 INFO L129 PetriNetUnfolder]: 1332/4550 cut-off events. [2021-04-29 04:27:47,792 INFO L130 PetriNetUnfolder]: For 561115/561115 co-relation queries the response was YES. [2021-04-29 04:27:47,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92562 conditions, 4550 events. 1332/4550 cut-off events. For 561115/561115 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 52340 event pairs, 0 based on Foata normal form. 2/4552 useless extension candidates. Maximal degree in co-relation 92004. Up to 3276 conditions per place. [2021-04-29 04:27:47,938 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2105 selfloop transitions, 235 changer transitions 1/2353 dead transitions. [2021-04-29 04:27:47,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 911 places, 2353 transitions, 116903 flow [2021-04-29 04:27:47,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 04:27:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 04:27:47,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 191 transitions. [2021-04-29 04:27:47,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6631944444444444 [2021-04-29 04:27:47,939 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 191 transitions. [2021-04-29 04:27:47,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 191 transitions. [2021-04-29 04:27:47,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:27:47,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 191 transitions. [2021-04-29 04:27:47,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 15.916666666666666) internal successors, (191), 12 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:27:47,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:27:47,940 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:27:47,940 INFO L185 Difference]: Start difference. First operand has 900 places, 2320 transitions, 110447 flow. Second operand 12 states and 191 transitions. [2021-04-29 04:27:47,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 911 places, 2353 transitions, 116903 flow [2021-04-29 04:28:00,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 902 places, 2353 transitions, 115907 flow, removed 277 selfloop flow, removed 9 redundant places. [2021-04-29 04:28:00,561 INFO L241 Difference]: Finished difference. Result has 904 places, 2320 transitions, 110042 flow [2021-04-29 04:28:00,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=109475, PETRI_DIFFERENCE_MINUEND_PLACES=891, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=234, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2085, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=110042, PETRI_PLACES=904, PETRI_TRANSITIONS=2320} [2021-04-29 04:28:00,563 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 884 predicate places. [2021-04-29 04:28:00,563 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:28:00,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 904 places, 2320 transitions, 110042 flow [2021-04-29 04:28:00,564 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 904 places, 2320 transitions, 110042 flow [2021-04-29 04:28:00,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 903 places, 2320 transitions, 110042 flow [2021-04-29 04:28:04,359 INFO L129 PetriNetUnfolder]: 1332/4537 cut-off events. [2021-04-29 04:28:04,359 INFO L130 PetriNetUnfolder]: For 547458/547458 co-relation queries the response was YES. [2021-04-29 04:28:04,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88518 conditions, 4537 events. 1332/4537 cut-off events. For 547458/547458 co-relation queries the response was YES. Maximal size of possible extension queue 599. Compared 52232 event pairs, 0 based on Foata normal form. 0/4537 useless extension candidates. Maximal degree in co-relation 88058. Up to 876 conditions per place. [2021-04-29 04:28:04,563 INFO L146 LiptonReduction]: Number of co-enabled transitions 1276 [2021-04-29 04:28:05,421 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:28:05,422 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:28:05,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4859 [2021-04-29 04:28:05,422 INFO L480 AbstractCegarLoop]: Abstraction has has 903 places, 2320 transitions, 110042 flow [2021-04-29 04:28:05,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 13.133333333333333) internal successors, (197), 15 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:05,422 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:28:05,422 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:28:05,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148,91 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:28:05,623 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:28:05,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:28:05,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1984178638, now seen corresponding path program 31 times [2021-04-29 04:28:05,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:28:05,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515151570] [2021-04-29 04:28:05,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:28:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:28:05,640 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:28:05,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:28:05,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:05,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:05,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:05,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:05,728 INFO L142 QuantifierPusher]: treesize reduction 17, result has 56.4 percent of original size [2021-04-29 04:28:05,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 04:28:05,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:28:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:28:05,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515151570] [2021-04-29 04:28:05,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082276827] [2021-04-29 04:28:05,777 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:28:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:28:05,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:28:05,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:28:05,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:05,819 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:28:05,820 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:28:05,820 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:28:05,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:05,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:05,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:05,842 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 04:28:05,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:28:05,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:28:05,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:28:05,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:28:05,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:05,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:05,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:05,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:05,875 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-04-29 04:28:05,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:05,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:28:05,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:05,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:28:05,882 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:28:05,882 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:28:05,883 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:28:05,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:05,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:05,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:05,899 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 04:28:05,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:05,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:05,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:05,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:05,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:28:05,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:28:05,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:28:05,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 04:28:05,911 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 04:28:05,912 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 04:28:05,913 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:28:05,914 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-04-29 04:28:05,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:05,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:28:05,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:28:05,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-04-29 04:28:05,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120915700] [2021-04-29 04:28:05,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 04:28:05,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:28:05,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 04:28:05,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-04-29 04:28:05,953 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:28:05,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 903 places, 2320 transitions, 110042 flow. Second operand has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:05,953 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:28:05,953 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:28:05,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:28:16,008 INFO L129 PetriNetUnfolder]: 1332/4537 cut-off events. [2021-04-29 04:28:16,008 INFO L130 PetriNetUnfolder]: For 553851/553851 co-relation queries the response was YES. [2021-04-29 04:28:16,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92137 conditions, 4537 events. 1332/4537 cut-off events. For 553851/553851 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 52155 event pairs, 0 based on Foata normal form. 2/4539 useless extension candidates. Maximal degree in co-relation 91672. Up to 3318 conditions per place. [2021-04-29 04:28:16,155 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2095 selfloop transitions, 243 changer transitions 1/2351 dead transitions. [2021-04-29 04:28:16,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 916 places, 2351 transitions, 116235 flow [2021-04-29 04:28:16,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 04:28:16,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 04:28:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 215 transitions. [2021-04-29 04:28:16,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6398809523809523 [2021-04-29 04:28:16,156 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 215 transitions. [2021-04-29 04:28:16,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 215 transitions. [2021-04-29 04:28:16,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:28:16,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 215 transitions. [2021-04-29 04:28:16,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 15.357142857142858) internal successors, (215), 14 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:16,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:16,157 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:16,157 INFO L185 Difference]: Start difference. First operand has 903 places, 2320 transitions, 110042 flow. Second operand 14 states and 215 transitions. [2021-04-29 04:28:16,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 916 places, 2351 transitions, 116235 flow [2021-04-29 04:28:28,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 909 places, 2351 transitions, 115696 flow, removed 90 selfloop flow, removed 7 redundant places. [2021-04-29 04:28:28,830 INFO L241 Difference]: Finished difference. Result has 912 places, 2329 transitions, 110499 flow [2021-04-29 04:28:28,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=109516, PETRI_DIFFERENCE_MINUEND_PLACES=896, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2077, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=110499, PETRI_PLACES=912, PETRI_TRANSITIONS=2329} [2021-04-29 04:28:28,831 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 892 predicate places. [2021-04-29 04:28:28,831 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:28:28,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 912 places, 2329 transitions, 110499 flow [2021-04-29 04:28:28,832 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 912 places, 2329 transitions, 110499 flow [2021-04-29 04:28:28,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 911 places, 2329 transitions, 110499 flow [2021-04-29 04:28:32,679 INFO L129 PetriNetUnfolder]: 1332/4523 cut-off events. [2021-04-29 04:28:32,679 INFO L130 PetriNetUnfolder]: For 547865/547865 co-relation queries the response was YES. [2021-04-29 04:28:32,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88533 conditions, 4523 events. 1332/4523 cut-off events. For 547865/547865 co-relation queries the response was YES. Maximal size of possible extension queue 595. Compared 51488 event pairs, 0 based on Foata normal form. 0/4523 useless extension candidates. Maximal degree in co-relation 88140. Up to 868 conditions per place. [2021-04-29 04:28:32,876 INFO L146 LiptonReduction]: Number of co-enabled transitions 1282 [2021-04-29 04:28:33,749 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:28:33,749 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:28:33,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4918 [2021-04-29 04:28:33,750 INFO L480 AbstractCegarLoop]: Abstraction has has 911 places, 2329 transitions, 110499 flow [2021-04-29 04:28:33,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:33,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:28:33,750 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:28:33,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,92 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:28:33,951 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:28:33,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:28:33,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1949538648, now seen corresponding path program 32 times [2021-04-29 04:28:33,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:28:33,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416009487] [2021-04-29 04:28:33,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:28:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:28:33,968 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:28:33,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:33,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:33,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:28:33,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:33,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:33,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:33,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:33,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:34,046 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:28:34,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:28:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:28:34,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416009487] [2021-04-29 04:28:34,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793068314] [2021-04-29 04:28:34,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:28:34,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 04:28:34,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:28:34,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:28:34,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:28:34,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:28:34,131 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:28:34,132 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:28:34,132 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:28:34,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:34,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:34,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:34,150 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-04-29 04:28:34,151 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:28:34,152 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:28:34,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:28:34,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:28:34,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:28:34,157 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:28:34,157 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:28:34,158 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:28:34,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:34,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:34,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:34,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:34,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:34,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:34,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:28:34,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:28:34,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:28:34,190 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:28:34,190 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:28:34,191 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:28:34,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,209 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 04:28:34,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:34,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:34,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:28:34,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:28:34,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:28:34,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:28:34,232 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:28:34,232 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:28:34,233 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:28:34,234 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:28:34,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:28:34,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:28:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:28:34,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:28:34,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-04-29 04:28:34,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053776267] [2021-04-29 04:28:34,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 04:28:34,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:28:34,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 04:28:34,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-04-29 04:28:34,262 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:28:34,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 911 places, 2329 transitions, 110499 flow. Second operand has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:34,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:28:34,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:28:34,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:28:45,868 INFO L129 PetriNetUnfolder]: 1394/4932 cut-off events. [2021-04-29 04:28:45,869 INFO L130 PetriNetUnfolder]: For 629680/629680 co-relation queries the response was YES. [2021-04-29 04:28:45,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100592 conditions, 4932 events. 1394/4932 cut-off events. For 629680/629680 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 58653 event pairs, 0 based on Foata normal form. 34/4966 useless extension candidates. Maximal degree in co-relation 100155. Up to 3237 conditions per place. [2021-04-29 04:28:46,034 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2076 selfloop transitions, 459 changer transitions 27/2574 dead transitions. [2021-04-29 04:28:46,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 923 places, 2574 transitions, 128990 flow [2021-04-29 04:28:46,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 04:28:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 04:28:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 197 transitions. [2021-04-29 04:28:46,035 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6314102564102564 [2021-04-29 04:28:46,035 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 197 transitions. [2021-04-29 04:28:46,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 197 transitions. [2021-04-29 04:28:46,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:28:46,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 197 transitions. [2021-04-29 04:28:46,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:46,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:46,036 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 24.0) internal successors, (336), 14 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:28:46,037 INFO L185 Difference]: Start difference. First operand has 911 places, 2329 transitions, 110499 flow. Second operand 13 states and 197 transitions. [2021-04-29 04:28:46,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 923 places, 2574 transitions, 128990 flow [2021-04-29 04:29:00,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 913 places, 2574 transitions, 128273 flow, removed 165 selfloop flow, removed 10 redundant places. [2021-04-29 04:29:00,146 INFO L241 Difference]: Finished difference. Result has 923 places, 2496 transitions, 120979 flow [2021-04-29 04:29:00,148 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=109792, PETRI_DIFFERENCE_MINUEND_PLACES=901, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=323, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1911, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=120979, PETRI_PLACES=923, PETRI_TRANSITIONS=2496} [2021-04-29 04:29:00,148 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 903 predicate places. [2021-04-29 04:29:00,148 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:29:00,148 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 923 places, 2496 transitions, 120979 flow [2021-04-29 04:29:00,148 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 923 places, 2496 transitions, 120979 flow [2021-04-29 04:29:00,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 921 places, 2496 transitions, 120979 flow [2021-04-29 04:29:04,306 INFO L129 PetriNetUnfolder]: 1393/4843 cut-off events. [2021-04-29 04:29:04,306 INFO L130 PetriNetUnfolder]: For 629167/629167 co-relation queries the response was YES. [2021-04-29 04:29:04,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96974 conditions, 4843 events. 1393/4843 cut-off events. For 629167/629167 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 57011 event pairs, 0 based on Foata normal form. 0/4843 useless extension candidates. Maximal degree in co-relation 96432. Up to 970 conditions per place. [2021-04-29 04:29:04,514 INFO L146 LiptonReduction]: Number of co-enabled transitions 1372 [2021-04-29 04:29:05,432 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:29:05,432 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:29:05,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5284 [2021-04-29 04:29:05,432 INFO L480 AbstractCegarLoop]: Abstraction has has 921 places, 2496 transitions, 120979 flow [2021-04-29 04:29:05,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:05,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:29:05,433 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:29:05,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154,93 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:29:05,633 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:29:05,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:29:05,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1656903326, now seen corresponding path program 33 times [2021-04-29 04:29:05,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:29:05,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603673458] [2021-04-29 04:29:05,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:29:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:29:05,649 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:29:05,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:29:05,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:29:05,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:29:05,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:29:05,732 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:29:05,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:29:05,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603673458] [2021-04-29 04:29:05,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064651233] [2021-04-29 04:29:05,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:29:05,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 04:29:05,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:29:05,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:29:05,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:29:05,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,807 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:29:05,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,826 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:29:05,826 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:29:05,827 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:29:05,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,831 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:29:05,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:05,860 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:29:05,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:05,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:29:05,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:05,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:29:05,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 04:29:05,867 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 04:29:05,868 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:29:05,868 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:05,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:29:05,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:29:05,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:29:05,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:29:05,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:05,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:29:05,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:29:05,900 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:29:05,900 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:29:05,901 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:05,902 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:29:05,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:05,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:05,929 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:29:05,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:29:05,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-04-29 04:29:05,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235165868] [2021-04-29 04:29:05,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 04:29:05,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:29:05,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 04:29:05,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-04-29 04:29:05,930 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:29:05,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 921 places, 2496 transitions, 120979 flow. Second operand has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:05,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:29:05,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:29:05,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:29:18,431 INFO L129 PetriNetUnfolder]: 1426/4972 cut-off events. [2021-04-29 04:29:18,432 INFO L130 PetriNetUnfolder]: For 661871/661871 co-relation queries the response was YES. [2021-04-29 04:29:18,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103678 conditions, 4972 events. 1426/4972 cut-off events. For 661871/661871 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 58637 event pairs, 0 based on Foata normal form. 7/4979 useless extension candidates. Maximal degree in co-relation 103125. Up to 3246 conditions per place. [2021-04-29 04:29:18,593 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2090 selfloop transitions, 510 changer transitions 2/2614 dead transitions. [2021-04-29 04:29:18,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 932 places, 2614 transitions, 132777 flow [2021-04-29 04:29:18,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 04:29:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 04:29:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 186 transitions. [2021-04-29 04:29:18,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6458333333333334 [2021-04-29 04:29:18,594 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 186 transitions. [2021-04-29 04:29:18,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 186 transitions. [2021-04-29 04:29:18,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:29:18,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 186 transitions. [2021-04-29 04:29:18,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 15.5) internal successors, (186), 12 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:18,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:18,595 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:18,595 INFO L185 Difference]: Start difference. First operand has 921 places, 2496 transitions, 120979 flow. Second operand 12 states and 186 transitions. [2021-04-29 04:29:18,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 932 places, 2614 transitions, 132777 flow [2021-04-29 04:29:33,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 2614 transitions, 130166 flow, removed 1233 selfloop flow, removed 4 redundant places. [2021-04-29 04:29:34,032 INFO L241 Difference]: Finished difference. Result has 932 places, 2550 transitions, 122623 flow [2021-04-29 04:29:34,033 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=118449, PETRI_DIFFERENCE_MINUEND_PLACES=917, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=456, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1986, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=122623, PETRI_PLACES=932, PETRI_TRANSITIONS=2550} [2021-04-29 04:29:34,033 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 912 predicate places. [2021-04-29 04:29:34,033 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:29:34,033 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 932 places, 2550 transitions, 122623 flow [2021-04-29 04:29:34,033 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 932 places, 2550 transitions, 122623 flow [2021-04-29 04:29:34,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 931 places, 2550 transitions, 122623 flow [2021-04-29 04:29:38,654 INFO L129 PetriNetUnfolder]: 1426/4974 cut-off events. [2021-04-29 04:29:38,654 INFO L130 PetriNetUnfolder]: For 638156/638156 co-relation queries the response was YES. [2021-04-29 04:29:39,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97985 conditions, 4974 events. 1426/4974 cut-off events. For 638156/638156 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 58821 event pairs, 0 based on Foata normal form. 0/4974 useless extension candidates. Maximal degree in co-relation 97431. Up to 990 conditions per place. [2021-04-29 04:29:39,120 INFO L146 LiptonReduction]: Number of co-enabled transitions 1406 [2021-04-29 04:29:40,294 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:29:40,295 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:29:40,295 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6262 [2021-04-29 04:29:40,295 INFO L480 AbstractCegarLoop]: Abstraction has has 931 places, 2550 transitions, 122623 flow [2021-04-29 04:29:40,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:40,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:29:40,295 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:29:40,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable157 [2021-04-29 04:29:40,500 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:29:40,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:29:40,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1952606996, now seen corresponding path program 34 times [2021-04-29 04:29:40,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:29:40,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638752718] [2021-04-29 04:29:40,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:29:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:29:40,523 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:29:40,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:29:40,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:29:40,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:29:40,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:40,575 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-04-29 04:29:40,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 04:29:40,609 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:29:40,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:29:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:29:40,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638752718] [2021-04-29 04:29:40,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423316414] [2021-04-29 04:29:40,641 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:29:40,670 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:29:40,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:29:40,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:29:40,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:29:40,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,682 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:29:40,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:40,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:40,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:40,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:40,703 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:29:40,704 INFO L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-04-29 04:29:40,705 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-04-29 04:29:40,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:29:40,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:29:40,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:29:40,727 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-04-29 04:29:40,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:29:40,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:29:40,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:29:40,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:29:40,743 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:29:40,744 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:29:40,745 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:29:40,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:40,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:40,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:29:40,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:29:40,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:40,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:29:40,786 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:29:40,787 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:29:40,788 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:40,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:29:40,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:40,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:29:40,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:29:40,806 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:29:40,807 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:29:40,808 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:29:40,809 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:29:40,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:29:40,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:29:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:29:40,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:29:40,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-04-29 04:29:40,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888344435] [2021-04-29 04:29:40,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 04:29:40,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:29:40,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 04:29:40,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-04-29 04:29:40,848 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:29:40,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 931 places, 2550 transitions, 122623 flow. Second operand has 15 states, 15 states have (on average 13.266666666666667) internal successors, (199), 15 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:40,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:29:40,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:29:40,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:29:54,291 INFO L129 PetriNetUnfolder]: 1435/5011 cut-off events. [2021-04-29 04:29:54,291 INFO L130 PetriNetUnfolder]: For 654456/654456 co-relation queries the response was YES. [2021-04-29 04:29:54,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102946 conditions, 5011 events. 1435/5011 cut-off events. For 654456/654456 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 59219 event pairs, 0 based on Foata normal form. 3/5014 useless extension candidates. Maximal degree in co-relation 102393. Up to 3689 conditions per place. [2021-04-29 04:29:54,456 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2355 selfloop transitions, 214 changer transitions 1/2582 dead transitions. [2021-04-29 04:29:54,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 940 places, 2582 transitions, 129882 flow [2021-04-29 04:29:54,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:29:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:29:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 157 transitions. [2021-04-29 04:29:54,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6541666666666667 [2021-04-29 04:29:54,457 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 157 transitions. [2021-04-29 04:29:54,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 157 transitions. [2021-04-29 04:29:54,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:29:54,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 157 transitions. [2021-04-29 04:29:54,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 15.7) internal successors, (157), 10 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:54,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:54,458 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:29:54,458 INFO L185 Difference]: Start difference. First operand has 931 places, 2550 transitions, 122623 flow. Second operand 10 states and 157 transitions. [2021-04-29 04:29:54,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 940 places, 2582 transitions, 129882 flow [2021-04-29 04:30:09,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 933 places, 2582 transitions, 128427 flow, removed 376 selfloop flow, removed 7 redundant places. [2021-04-29 04:30:09,990 INFO L241 Difference]: Finished difference. Result has 936 places, 2566 transitions, 122793 flow [2021-04-29 04:30:09,991 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=121176, PETRI_DIFFERENCE_MINUEND_PLACES=924, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=122793, PETRI_PLACES=936, PETRI_TRANSITIONS=2566} [2021-04-29 04:30:09,991 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 916 predicate places. [2021-04-29 04:30:09,991 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:30:09,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 936 places, 2566 transitions, 122793 flow [2021-04-29 04:30:09,992 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 936 places, 2566 transitions, 122793 flow [2021-04-29 04:30:10,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 935 places, 2566 transitions, 122793 flow [2021-04-29 04:30:14,619 INFO L129 PetriNetUnfolder]: 1435/5008 cut-off events. [2021-04-29 04:30:14,620 INFO L130 PetriNetUnfolder]: For 646022/646022 co-relation queries the response was YES. [2021-04-29 04:30:14,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98402 conditions, 5008 events. 1435/5008 cut-off events. For 646022/646022 co-relation queries the response was YES. Maximal size of possible extension queue 656. Compared 59080 event pairs, 0 based on Foata normal form. 0/5008 useless extension candidates. Maximal degree in co-relation 97919. Up to 992 conditions per place. [2021-04-29 04:30:14,851 INFO L146 LiptonReduction]: Number of co-enabled transitions 1412 [2021-04-29 04:30:16,097 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:30:16,097 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:30:16,097 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6106 [2021-04-29 04:30:16,098 INFO L480 AbstractCegarLoop]: Abstraction has has 935 places, 2566 transitions, 122793 flow [2021-04-29 04:30:16,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 13.266666666666667) internal successors, (199), 15 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:30:16,098 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:30:16,098 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:30:16,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,95 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:30:16,303 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:30:16,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:30:16,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1554761404, now seen corresponding path program 52 times [2021-04-29 04:30:16,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:30:16,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596577096] [2021-04-29 04:30:16,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:30:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:30:16,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:30:16,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:30:16,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:30:16,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:30:16,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:30:16,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:30:16,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:30:16,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,349 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:30:16,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596577096] [2021-04-29 04:30:16,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173247181] [2021-04-29 04:30:16,349 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 04:30:16,372 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 04:30:16,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:30:16,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:30:16,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:30:16,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 96 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:30:16,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:30:16,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:30:16,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:30:16,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:30:16,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:16,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:30:16,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:16,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:30:16,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:16,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:30:16,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:16,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:30:16,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:16,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:30:16,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:16,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:30:16,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:30:16,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:30:16,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:16,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:30:16,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:16,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:30:16,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:30:16,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:16,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:16,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:30:16,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:30:16,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:16,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:30:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:30:16,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:30:16,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-04-29 04:30:16,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40375289] [2021-04-29 04:30:16,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 04:30:16,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:30:16,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 04:30:16,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-04-29 04:30:16,482 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:30:16,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 2566 transitions, 122793 flow. Second operand has 14 states, 14 states have (on average 14.142857142857142) internal successors, (198), 14 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:30:16,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:30:16,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:30:16,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:30:28,450 INFO L129 PetriNetUnfolder]: 1451/5077 cut-off events. [2021-04-29 04:30:28,450 INFO L130 PetriNetUnfolder]: For 694039/694039 co-relation queries the response was YES. [2021-04-29 04:30:28,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104575 conditions, 5077 events. 1451/5077 cut-off events. For 694039/694039 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 60259 event pairs, 0 based on Foata normal form. 27/5104 useless extension candidates. Maximal degree in co-relation 104002. Up to 1729 conditions per place. [2021-04-29 04:30:28,803 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 1689 selfloop transitions, 937 changer transitions 8/2640 dead transitions. [2021-04-29 04:30:28,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 963 places, 2640 transitions, 133240 flow [2021-04-29 04:30:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-29 04:30:28,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-04-29 04:30:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 451 transitions. [2021-04-29 04:30:28,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6479885057471264 [2021-04-29 04:30:28,805 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 451 transitions. [2021-04-29 04:30:28,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 451 transitions. [2021-04-29 04:30:28,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:30:28,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 451 transitions. [2021-04-29 04:30:28,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 15.551724137931034) internal successors, (451), 29 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:30:28,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 24.0) internal successors, (720), 30 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:30:28,806 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 24.0) internal successors, (720), 30 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:30:28,806 INFO L185 Difference]: Start difference. First operand has 935 places, 2566 transitions, 122793 flow. Second operand 29 states and 451 transitions. [2021-04-29 04:30:28,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 963 places, 2640 transitions, 133240 flow [2021-04-29 04:30:44,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 956 places, 2640 transitions, 132319 flow, removed 273 selfloop flow, removed 7 redundant places. [2021-04-29 04:30:44,984 INFO L241 Difference]: Finished difference. Result has 966 places, 2603 transitions, 128818 flow [2021-04-29 04:30:44,986 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=121138, PETRI_DIFFERENCE_MINUEND_PLACES=928, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=877, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1638, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=128818, PETRI_PLACES=966, PETRI_TRANSITIONS=2603} [2021-04-29 04:30:44,986 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 946 predicate places. [2021-04-29 04:30:44,986 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:30:44,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 966 places, 2603 transitions, 128818 flow [2021-04-29 04:30:44,986 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 966 places, 2603 transitions, 128818 flow [2021-04-29 04:30:45,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 963 places, 2603 transitions, 128818 flow [2021-04-29 04:30:49,401 INFO L129 PetriNetUnfolder]: 1450/5094 cut-off events. [2021-04-29 04:30:49,402 INFO L130 PetriNetUnfolder]: For 721265/721265 co-relation queries the response was YES. [2021-04-29 04:30:49,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102469 conditions, 5094 events. 1450/5094 cut-off events. For 721265/721265 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 60583 event pairs, 0 based on Foata normal form. 0/5094 useless extension candidates. Maximal degree in co-relation 101968. Up to 1018 conditions per place. [2021-04-29 04:30:49,651 INFO L146 LiptonReduction]: Number of co-enabled transitions 1440 [2021-04-29 04:30:50,934 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:30:50,934 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:30:50,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5948 [2021-04-29 04:30:50,934 INFO L480 AbstractCegarLoop]: Abstraction has has 963 places, 2603 transitions, 128818 flow [2021-04-29 04:30:50,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 14.142857142857142) internal successors, (198), 14 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:30:50,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:30:50,935 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:30:51,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163,96 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:30:51,135 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:30:51,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:30:51,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1907147726, now seen corresponding path program 35 times [2021-04-29 04:30:51,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:30:51,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842052220] [2021-04-29 04:30:51,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:30:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:30:51,156 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:30:51,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:30:51,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:30:51,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:30:51,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,210 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-04-29 04:30:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 04:30:51,247 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:30:51,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:30:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:30:51,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842052220] [2021-04-29 04:30:51,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133011392] [2021-04-29 04:30:51,275 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:30:51,307 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 04:30:51,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:30:51,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:30:51,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:30:51,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,322 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:30:51,323 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-04-29 04:30:51,323 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-29 04:30:51,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,340 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:30:51,341 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:30:51,342 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:30:51,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,346 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:30:51,346 INFO L147 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size 9 [2021-04-29 04:30:51,347 INFO L142 QuantifierPusher]: treesize reduction 7, result has 56.3 percent of original size [2021-04-29 04:30:51,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:51,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:51,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:51,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:51,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:51,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:51,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:30:51,377 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-04-29 04:30:51,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:30:51,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:30:51,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:51,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:30:51,407 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:30:51,409 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:30:51,414 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:51,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:30:51,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:51,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:30:51,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:30:51,431 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:30:51,432 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:30:51,432 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:30:51,433 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:30:51,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:30:51,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:30:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:30:51,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:30:51,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2021-04-29 04:30:51,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130686579] [2021-04-29 04:30:51,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 04:30:51,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:30:51,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 04:30:51,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-04-29 04:30:51,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:30:51,468 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 963 places, 2603 transitions, 128818 flow. Second operand has 15 states, 15 states have (on average 13.2) internal successors, (198), 15 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:30:51,468 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:30:51,468 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:30:51,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:31:04,997 INFO L129 PetriNetUnfolder]: 1472/5139 cut-off events. [2021-04-29 04:31:04,997 INFO L130 PetriNetUnfolder]: For 750588/750588 co-relation queries the response was YES. [2021-04-29 04:31:05,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108772 conditions, 5139 events. 1472/5139 cut-off events. For 750588/750588 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 60935 event pairs, 0 based on Foata normal form. 27/5166 useless extension candidates. Maximal degree in co-relation 108218. Up to 3296 conditions per place. [2021-04-29 04:31:05,169 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2157 selfloop transitions, 520 changer transitions 27/2716 dead transitions. [2021-04-29 04:31:05,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 974 places, 2716 transitions, 141492 flow [2021-04-29 04:31:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 04:31:05,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 04:31:05,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 188 transitions. [2021-04-29 04:31:05,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6527777777777778 [2021-04-29 04:31:05,171 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 188 transitions. [2021-04-29 04:31:05,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 188 transitions. [2021-04-29 04:31:05,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:31:05,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 188 transitions. [2021-04-29 04:31:05,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 12 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:05,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:05,171 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 24.0) internal successors, (312), 13 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:05,172 INFO L185 Difference]: Start difference. First operand has 963 places, 2603 transitions, 128818 flow. Second operand 12 states and 188 transitions. [2021-04-29 04:31:05,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 974 places, 2716 transitions, 141492 flow [2021-04-29 04:31:22,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 939 places, 2716 transitions, 134643 flow, removed 1992 selfloop flow, removed 35 redundant places. [2021-04-29 04:31:22,833 INFO L241 Difference]: Finished difference. Result has 944 places, 2624 transitions, 125972 flow [2021-04-29 04:31:22,834 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=123103, PETRI_DIFFERENCE_MINUEND_PLACES=928, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2603, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=479, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2084, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=125972, PETRI_PLACES=944, PETRI_TRANSITIONS=2624} [2021-04-29 04:31:22,835 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 924 predicate places. [2021-04-29 04:31:22,835 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:31:22,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 944 places, 2624 transitions, 125972 flow [2021-04-29 04:31:22,835 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 944 places, 2624 transitions, 125972 flow [2021-04-29 04:31:22,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 942 places, 2624 transitions, 125972 flow [2021-04-29 04:31:27,326 INFO L129 PetriNetUnfolder]: 1472/5056 cut-off events. [2021-04-29 04:31:27,326 INFO L130 PetriNetUnfolder]: For 678717/678717 co-relation queries the response was YES. [2021-04-29 04:31:27,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100539 conditions, 5056 events. 1472/5056 cut-off events. For 678717/678717 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 59402 event pairs, 0 based on Foata normal form. 0/5056 useless extension candidates. Maximal degree in co-relation 100004. Up to 986 conditions per place. [2021-04-29 04:31:27,555 INFO L146 LiptonReduction]: Number of co-enabled transitions 1456 [2021-04-29 04:31:28,600 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:31:28,600 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:31:28,600 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5765 [2021-04-29 04:31:28,601 INFO L480 AbstractCegarLoop]: Abstraction has has 942 places, 2624 transitions, 125972 flow [2021-04-29 04:31:28,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 13.2) internal successors, (198), 15 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:28,601 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:31:28,601 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:31:28,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable164 [2021-04-29 04:31:28,802 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:31:28,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:31:28,802 INFO L82 PathProgramCache]: Analyzing trace with hash -494265924, now seen corresponding path program 53 times [2021-04-29 04:31:28,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:31:28,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483694815] [2021-04-29 04:31:28,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:31:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:31:28,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:31:28,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:31:28,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:31:28,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:31:28,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:31:28,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:31:28,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:31:28,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:31:28,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483694815] [2021-04-29 04:31:28,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67177107] [2021-04-29 04:31:28,834 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:31:28,860 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-04-29 04:31:28,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:31:28,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:31:28,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:31:28,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:28,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:31:28,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:31:28,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:31:28,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:31:28,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:28,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:31:28,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:31:28,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:28,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:31:28,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:31:28,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:28,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:31:28,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:31:28,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:28,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:31:28,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:31:28,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:28,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:31:28,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:31:28,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:28,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:31:28,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:31:28,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:28,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:31:28,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:31:28,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:28,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:31:28,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:31:28,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:28,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:31:28,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:28,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:31:28,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:28,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:28,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:31:29,126 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-04-29 04:31:29,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:31:29,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:31:29,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:31:29,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:31:29,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:31:29,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:31:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:31:29,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:31:29,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 13 [2021-04-29 04:31:29,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066253577] [2021-04-29 04:31:29,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:31:29,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:31:29,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:31:29,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:31:29,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:31:29,156 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 942 places, 2624 transitions, 125972 flow. Second operand has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:29,156 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:31:29,156 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:31:29,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:31:40,575 INFO L129 PetriNetUnfolder]: 1497/5182 cut-off events. [2021-04-29 04:31:40,576 INFO L130 PetriNetUnfolder]: For 737742/737742 co-relation queries the response was YES. [2021-04-29 04:31:40,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107539 conditions, 5182 events. 1497/5182 cut-off events. For 737742/737742 co-relation queries the response was YES. Maximal size of possible extension queue 687. Compared 61280 event pairs, 0 based on Foata normal form. 22/5204 useless extension candidates. Maximal degree in co-relation 107009. Up to 3250 conditions per place. [2021-04-29 04:31:40,777 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 2374 selfloop transitions, 331 changer transitions 0/2711 dead transitions. [2021-04-29 04:31:40,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 958 places, 2711 transitions, 136986 flow [2021-04-29 04:31:40,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 04:31:40,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 04:31:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 289 transitions. [2021-04-29 04:31:40,778 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6689814814814815 [2021-04-29 04:31:40,778 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 289 transitions. [2021-04-29 04:31:40,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 289 transitions. [2021-04-29 04:31:40,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:31:40,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 289 transitions. [2021-04-29 04:31:40,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 16.055555555555557) internal successors, (289), 18 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:40,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:40,779 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 24.0) internal successors, (456), 19 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:31:40,779 INFO L185 Difference]: Start difference. First operand has 942 places, 2624 transitions, 125972 flow. Second operand 18 states and 289 transitions. [2021-04-29 04:31:40,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 958 places, 2711 transitions, 136986 flow [2021-04-29 04:31:57,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 946 places, 2711 transitions, 134803 flow, removed 545 selfloop flow, removed 12 redundant places. [2021-04-29 04:31:57,967 INFO L241 Difference]: Finished difference. Result has 949 places, 2673 transitions, 128046 flow [2021-04-29 04:31:57,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=123552, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=128046, PETRI_PLACES=949, PETRI_TRANSITIONS=2673} [2021-04-29 04:31:57,969 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 929 predicate places. [2021-04-29 04:31:57,969 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:31:57,969 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 949 places, 2673 transitions, 128046 flow [2021-04-29 04:31:57,969 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 949 places, 2673 transitions, 128046 flow [2021-04-29 04:31:58,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 949 places, 2673 transitions, 128046 flow [2021-04-29 04:32:02,480 INFO L129 PetriNetUnfolder]: 1497/5197 cut-off events. [2021-04-29 04:32:02,481 INFO L130 PetriNetUnfolder]: For 706281/706281 co-relation queries the response was YES. [2021-04-29 04:32:02,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101988 conditions, 5197 events. 1497/5197 cut-off events. For 706281/706281 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 61675 event pairs, 0 based on Foata normal form. 0/5197 useless extension candidates. Maximal degree in co-relation 101459. Up to 1011 conditions per place. [2021-04-29 04:32:02,911 INFO L146 LiptonReduction]: Number of co-enabled transitions 1504 [2021-04-29 04:32:04,024 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:32:04,024 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:32:04,024 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6055 [2021-04-29 04:32:04,024 INFO L480 AbstractCegarLoop]: Abstraction has has 949 places, 2673 transitions, 128046 flow [2021-04-29 04:32:04,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:32:04,025 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:32:04,025 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:32:04,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable167 [2021-04-29 04:32:04,225 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:32:04,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:32:04,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1953500726, now seen corresponding path program 36 times [2021-04-29 04:32:04,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:32:04,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456653600] [2021-04-29 04:32:04,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:32:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:32:04,241 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-04-29 04:32:04,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:32:04,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:32:04,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:32:04,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:32:04,301 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.7 percent of original size [2021-04-29 04:32:04,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 04:32:04,343 INFO L142 QuantifierPusher]: treesize reduction 28, result has 34.9 percent of original size [2021-04-29 04:32:04,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:32:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:32:04,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456653600] [2021-04-29 04:32:04,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924475061] [2021-04-29 04:32:04,369 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:32:04,394 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-04-29 04:32:04,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:32:04,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 04:32:04,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:32:04,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,409 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 04:32:04,409 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-04-29 04:32:04,410 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-29 04:32:04,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:32:04,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:32:04,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:32:04,431 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:32:04,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:32:04,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:32:04,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:32:04,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:32:04,457 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-04-29 04:32:04,458 INFO L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-04-29 04:32:04,459 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-04-29 04:32:04,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:04,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:04,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:04,474 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 04:32:04,475 INFO L147 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size 11 [2021-04-29 04:32:04,475 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-04-29 04:32:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:32:04,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:32:04,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 04:32:04,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:04,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:04,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 04:32:04,516 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-04-29 04:32:04,516 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:32:04,517 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:04,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:32:04,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:04,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:32:04,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 04:32:04,536 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 04:32:04,537 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 04:32:04,538 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:04,539 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-04-29 04:32:04,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:04,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:32:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:32:04,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:32:04,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-04-29 04:32:04,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402851578] [2021-04-29 04:32:04,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 04:32:04,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:32:04,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 04:32:04,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-04-29 04:32:04,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 24 [2021-04-29 04:32:04,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 949 places, 2673 transitions, 128046 flow. Second operand has 15 states, 15 states have (on average 13.266666666666667) internal successors, (199), 15 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:32:04,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:32:04,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 24 [2021-04-29 04:32:04,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:32:17,735 INFO L129 PetriNetUnfolder]: 1497/5177 cut-off events. [2021-04-29 04:32:17,735 INFO L130 PetriNetUnfolder]: For 707158/707158 co-relation queries the response was YES. [2021-04-29 04:32:17,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106086 conditions, 5177 events. 1497/5177 cut-off events. For 707158/707158 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 61176 event pairs, 0 based on Foata normal form. 3/5180 useless extension candidates. Maximal degree in co-relation 105546. Up to 3842 conditions per place. [2021-04-29 04:32:17,904 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2462 selfloop transitions, 211 changer transitions 2/2687 dead transitions. [2021-04-29 04:32:17,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 958 places, 2687 transitions, 134333 flow [2021-04-29 04:32:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:32:17,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:32:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 156 transitions. [2021-04-29 04:32:17,905 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.65 [2021-04-29 04:32:17,905 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 156 transitions. [2021-04-29 04:32:17,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 156 transitions. [2021-04-29 04:32:17,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:32:17,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 156 transitions. [2021-04-29 04:32:17,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:32:17,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:32:17,906 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:32:17,906 INFO L185 Difference]: Start difference. First operand has 949 places, 2673 transitions, 128046 flow. Second operand 10 states and 156 transitions. [2021-04-29 04:32:17,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 958 places, 2687 transitions, 134333 flow [2021-04-29 04:32:34,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 948 places, 2687 transitions, 133355 flow, removed 420 selfloop flow, removed 10 redundant places. [2021-04-29 04:32:34,647 INFO L241 Difference]: Finished difference. Result has 950 places, 2672 transitions, 127566 flow [2021-04-29 04:32:34,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=127068, PETRI_DIFFERENCE_MINUEND_PLACES=939, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2673, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=127566, PETRI_PLACES=950, PETRI_TRANSITIONS=2672} [2021-04-29 04:32:34,648 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 930 predicate places. [2021-04-29 04:32:34,648 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:32:34,648 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 950 places, 2672 transitions, 127566 flow [2021-04-29 04:32:34,649 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 950 places, 2672 transitions, 127566 flow [2021-04-29 04:32:34,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 949 places, 2672 transitions, 127566 flow [2021-04-29 04:32:39,515 INFO L129 PetriNetUnfolder]: 1497/5168 cut-off events. [2021-04-29 04:32:39,515 INFO L130 PetriNetUnfolder]: For 697297/697297 co-relation queries the response was YES. [2021-04-29 04:32:39,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102050 conditions, 5168 events. 1497/5168 cut-off events. For 697297/697297 co-relation queries the response was YES. Maximal size of possible extension queue 680. Compared 61168 event pairs, 0 based on Foata normal form. 0/5168 useless extension candidates. Maximal degree in co-relation 101492. Up to 1011 conditions per place. [2021-04-29 04:32:39,901 INFO L146 LiptonReduction]: Number of co-enabled transitions 1504 [2021-04-29 04:32:41,181 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:32:41,181 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:32:41,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6533 [2021-04-29 04:32:41,182 INFO L480 AbstractCegarLoop]: Abstraction has has 949 places, 2672 transitions, 127566 flow [2021-04-29 04:32:41,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 13.266666666666667) internal successors, (199), 15 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:32:41,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:32:41,182 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 04:32:41,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168,99 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:32:41,383 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 04:32:41,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:32:41,383 INFO L82 PathProgramCache]: Analyzing trace with hash -129504920, now seen corresponding path program 54 times [2021-04-29 04:32:41,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:32:41,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102048205] [2021-04-29 04:32:41,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:32:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:32:41,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:32:41,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:32:41,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:32:41,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:32:41,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 04:32:41,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:32:41,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:32:41,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 04:32:41,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102048205] [2021-04-29 04:32:41,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663013497] [2021-04-29 04:32:41,417 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 04:32:41,441 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 04:32:41,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 04:32:41,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-29 04:32:41,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 04:32:41,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:32:41,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:32:41,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:32:41,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:32:41,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:41,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:32:41,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:41,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:32:41,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:41,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:32:41,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:41,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:32:41,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:41,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:32:41,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:41,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:32:41,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:41,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:32:41,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 04:32:41,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 04:32:41,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 04:32:41,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:32:41,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:32:41,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 04:32:41,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:32:41,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 04:32:41,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:32:41,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:32:41,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:32:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:32:41,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 04:32:41,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 13 [2021-04-29 04:32:41,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971645825] [2021-04-29 04:32:41,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 04:32:41,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:32:41,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 04:32:41,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-04-29 04:32:41,731 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-04-29 04:32:41,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 949 places, 2672 transitions, 127566 flow. Second operand has 13 states, 13 states have (on average 14.23076923076923) internal successors, (185), 13 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:32:41,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:32:41,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-04-29 04:32:41,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:32:54,194 INFO L129 PetriNetUnfolder]: 1575/5428 cut-off events. [2021-04-29 04:32:54,194 INFO L130 PetriNetUnfolder]: For 778775/778775 co-relation queries the response was YES. [2021-04-29 04:32:54,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112400 conditions, 5428 events. 1575/5428 cut-off events. For 778775/778775 co-relation queries the response was YES. Maximal size of possible extension queue 708. Compared 64614 event pairs, 0 based on Foata normal form. 20/5448 useless extension candidates. Maximal degree in co-relation 111806. Up to 2385 conditions per place. [2021-04-29 04:32:54,378 INFO L132 encePairwiseOnDemand]: 17/24 looper letters, 2093 selfloop transitions, 713 changer transitions 4/2816 dead transitions. [2021-04-29 04:32:54,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 970 places, 2816 transitions, 141038 flow [2021-04-29 04:32:54,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 04:32:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 04:32:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 344 transitions. [2021-04-29 04:32:54,380 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6515151515151515 [2021-04-29 04:32:54,380 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 344 transitions. [2021-04-29 04:32:54,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 344 transitions. [2021-04-29 04:32:54,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:32:54,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 344 transitions. [2021-04-29 04:32:54,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 15.636363636363637) internal successors, (344), 22 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:32:54,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 24.0) internal successors, (552), 23 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:32:54,381 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 24.0) internal successors, (552), 23 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:32:54,381 INFO L185 Difference]: Start difference. First operand has 949 places, 2672 transitions, 127566 flow. Second operand 22 states and 344 transitions. [2021-04-29 04:32:54,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 970 places, 2816 transitions, 141038 flow [2021-04-29 04:33:12,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 2816 transitions, 139985 flow, removed 101 selfloop flow, removed 10 redundant places. [2021-04-29 04:33:12,378 INFO L241 Difference]: Finished difference. Result has 968 places, 2781 transitions, 135277 flow [2021-04-29 04:33:12,379 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=126029, PETRI_DIFFERENCE_MINUEND_PLACES=939, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=599, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2013, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=135277, PETRI_PLACES=968, PETRI_TRANSITIONS=2781} [2021-04-29 04:33:12,380 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, 948 predicate places. [2021-04-29 04:33:12,380 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:33:12,380 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 968 places, 2781 transitions, 135277 flow [2021-04-29 04:33:12,380 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 968 places, 2781 transitions, 135277 flow [2021-04-29 04:33:12,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 967 places, 2781 transitions, 135277 flow Received shutdown request... [2021-04-29 04:33:14,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable171 [2021-04-29 04:33:14,850 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 04:33:14,855 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 04:33:14,856 INFO L202 PluginConnector]: Adding new model fibonacci.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 04:33:14 BasicIcfg [2021-04-29 04:33:14,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 04:33:14,856 INFO L168 Benchmark]: Toolchain (without parser) took 816667.22 ms. Allocated memory was 306.2 MB in the beginning and 8.3 GB in the end (delta: 8.0 GB). Free memory was 275.1 MB in the beginning and 7.1 GB in the end (delta: -6.8 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.0 GB. [2021-04-29 04:33:14,857 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 306.2 MB. Free memory is still 276.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:33:14,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.63 ms. Allocated memory is still 306.2 MB. Free memory was 289.5 MB in the beginning and 288.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:33:14,857 INFO L168 Benchmark]: Boogie Preprocessor took 19.77 ms. Allocated memory is still 306.2 MB. Free memory was 287.9 MB in the beginning and 287.0 MB in the end (delta: 907.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:33:14,857 INFO L168 Benchmark]: RCFGBuilder took 381.34 ms. Allocated memory is still 306.2 MB. Free memory was 287.0 MB in the beginning and 279.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-04-29 04:33:14,857 INFO L168 Benchmark]: TraceAbstraction took 816151.70 ms. Allocated memory was 306.2 MB in the beginning and 8.3 GB in the end (delta: 8.0 GB). Free memory was 279.0 MB in the beginning and 7.1 GB in the end (delta: -6.8 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.0 GB. [2021-04-29 04:33:14,857 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 0.24 ms. Allocated memory is still 306.2 MB. Free memory is still 276.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.63 ms. Allocated memory is still 306.2 MB. Free memory was 289.5 MB in the beginning and 288.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.77 ms. Allocated memory is still 306.2 MB. Free memory was 287.9 MB in the beginning and 287.0 MB in the end (delta: 907.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 381.34 ms. Allocated memory is still 306.2 MB. Free memory was 287.0 MB in the beginning and 279.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 816151.70 ms. Allocated memory was 306.2 MB in the beginning and 8.3 GB in the end (delta: 8.0 GB). Free memory was 279.0 MB in the beginning and 7.1 GB in the end (delta: -6.8 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 115.9ms, 20 PlacesBefore, 20 PlacesAfterwards, 15 TransitionsBefore, 15 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 10, Positive conditional cache size: 10, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.2ms, 23 PlacesBefore, 19 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 44 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): 10, Positive cache size: 10, Positive conditional cache size: 10, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.7ms, 25 PlacesBefore, 24 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 44 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): 10, Positive cache size: 10, Positive conditional cache size: 10, 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: 104.1ms, 29 PlacesBefore, 30 PlacesAfterwards, 21 TransitionsBefore, 22 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 12, 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: 6, positive: 6, positive conditional: 2, positive unconditional: 4, 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: 6, positive: 6, positive conditional: 2, positive unconditional: 4, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 12, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 18.9ms, 36 PlacesBefore, 36 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 72 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 15.0ms, 40 PlacesBefore, 39 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 74 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 16, Positive conditional cache size: 16, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.7ms, 45 PlacesBefore, 45 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 70 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 15.7ms, 51 PlacesBefore, 50 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 66 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 23.9ms, 53 PlacesBefore, 53 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 66 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): 16, Positive cache size: 16, Positive conditional cache size: 16, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.8ms, 59 PlacesBefore, 58 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 56 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 26.1ms, 57 PlacesBefore, 57 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 54 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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, 62 PlacesBefore, 61 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 48 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 20.6ms, 67 PlacesBefore, 66 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 50 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 20.7ms, 72 PlacesBefore, 71 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 50 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 24.2ms, 76 PlacesBefore, 75 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 52 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): 16, Positive cache size: 16, Positive conditional cache size: 16, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.7ms, 71 PlacesBefore, 67 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 48 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 23.6ms, 68 PlacesBefore, 67 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 62 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 21.4ms, 74 PlacesBefore, 73 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 64 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): 16, Positive cache size: 16, Positive conditional cache size: 16, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.4ms, 79 PlacesBefore, 78 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 64 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 33.9ms, 85 PlacesBefore, 82 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 58 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 33.6ms, 85 PlacesBefore, 85 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 58 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 35.5ms, 88 PlacesBefore, 88 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 58 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 41.9ms, 89 PlacesBefore, 87 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 56 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): 16, Positive cache size: 16, Positive conditional cache size: 16, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.7ms, 100 PlacesBefore, 99 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 64 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 37.2ms, 98 PlacesBefore, 98 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 62 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 55.1ms, 106 PlacesBefore, 106 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 74 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 42.0ms, 120 PlacesBefore, 119 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 82 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 65.2ms, 132 PlacesBefore, 132 PlacesAfterwards, 125 TransitionsBefore, 125 TransitionsAfterwards, 96 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): 16, Positive cache size: 16, Positive conditional cache size: 16, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.4ms, 138 PlacesBefore, 138 PlacesAfterwards, 143 TransitionsBefore, 143 TransitionsAfterwards, 116 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 75.1ms, 154 PlacesBefore, 152 PlacesAfterwards, 145 TransitionsBefore, 145 TransitionsAfterwards, 104 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 89.0ms, 159 PlacesBefore, 159 PlacesAfterwards, 164 TransitionsBefore, 164 TransitionsAfterwards, 116 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 88.5ms, 172 PlacesBefore, 172 PlacesAfterwards, 175 TransitionsBefore, 175 TransitionsAfterwards, 122 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 98.8ms, 180 PlacesBefore, 178 PlacesAfterwards, 177 TransitionsBefore, 177 TransitionsAfterwards, 120 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 74.9ms, 185 PlacesBefore, 185 PlacesAfterwards, 193 TransitionsBefore, 193 TransitionsAfterwards, 134 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 98.5ms, 195 PlacesBefore, 195 PlacesAfterwards, 194 TransitionsBefore, 194 TransitionsAfterwards, 132 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 109.3ms, 218 PlacesBefore, 217 PlacesAfterwards, 220 TransitionsBefore, 220 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 86.9ms, 225 PlacesBefore, 223 PlacesAfterwards, 225 TransitionsBefore, 225 TransitionsAfterwards, 146 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 97.1ms, 225 PlacesBefore, 225 PlacesAfterwards, 220 TransitionsBefore, 220 TransitionsAfterwards, 148 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 106.9ms, 233 PlacesBefore, 231 PlacesAfterwards, 247 TransitionsBefore, 247 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 121.7ms, 245 PlacesBefore, 243 PlacesAfterwards, 259 TransitionsBefore, 259 TransitionsAfterwards, 172 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 125.7ms, 251 PlacesBefore, 251 PlacesAfterwards, 280 TransitionsBefore, 280 TransitionsAfterwards, 180 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 119.2ms, 255 PlacesBefore, 254 PlacesAfterwards, 281 TransitionsBefore, 281 TransitionsAfterwards, 182 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 128.5ms, 261 PlacesBefore, 260 PlacesAfterwards, 284 TransitionsBefore, 284 TransitionsAfterwards, 180 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 121.2ms, 268 PlacesBefore, 267 PlacesAfterwards, 294 TransitionsBefore, 294 TransitionsAfterwards, 184 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 146.5ms, 273 PlacesBefore, 272 PlacesAfterwards, 299 TransitionsBefore, 299 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 132.3ms, 278 PlacesBefore, 278 PlacesAfterwards, 318 TransitionsBefore, 318 TransitionsAfterwards, 192 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 138.1ms, 288 PlacesBefore, 287 PlacesAfterwards, 319 TransitionsBefore, 319 TransitionsAfterwards, 192 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 159.7ms, 295 PlacesBefore, 293 PlacesAfterwards, 323 TransitionsBefore, 323 TransitionsAfterwards, 190 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 130.0ms, 303 PlacesBefore, 298 PlacesAfterwards, 325 TransitionsBefore, 325 TransitionsAfterwards, 174 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 145.4ms, 303 PlacesBefore, 300 PlacesAfterwards, 330 TransitionsBefore, 330 TransitionsAfterwards, 178 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 170.4ms, 313 PlacesBefore, 311 PlacesAfterwards, 390 TransitionsBefore, 390 TransitionsAfterwards, 246 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 159.4ms, 323 PlacesBefore, 320 PlacesAfterwards, 387 TransitionsBefore, 387 TransitionsAfterwards, 230 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 266.9ms, 326 PlacesBefore, 325 PlacesAfterwards, 388 TransitionsBefore, 388 TransitionsAfterwards, 230 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 183.7ms, 331 PlacesBefore, 330 PlacesAfterwards, 421 TransitionsBefore, 421 TransitionsAfterwards, 244 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 368.5ms, 336 PlacesBefore, 335 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 238 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 222.0ms, 340 PlacesBefore, 339 PlacesAfterwards, 428 TransitionsBefore, 428 TransitionsAfterwards, 240 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 267.8ms, 346 PlacesBefore, 345 PlacesAfterwards, 438 TransitionsBefore, 438 TransitionsAfterwards, 238 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 270.4ms, 358 PlacesBefore, 358 PlacesAfterwards, 514 TransitionsBefore, 514 TransitionsAfterwards, 268 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 296.1ms, 382 PlacesBefore, 382 PlacesAfterwards, 550 TransitionsBefore, 550 TransitionsAfterwards, 270 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 395.5ms, 415 PlacesBefore, 413 PlacesAfterwards, 593 TransitionsBefore, 593 TransitionsAfterwards, 296 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 313.9ms, 415 PlacesBefore, 415 PlacesAfterwards, 596 TransitionsBefore, 596 TransitionsAfterwards, 302 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 360.4ms, 429 PlacesBefore, 428 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 296 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 443.3ms, 445 PlacesBefore, 445 PlacesAfterwards, 698 TransitionsBefore, 698 TransitionsAfterwards, 366 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 481.7ms, 458 PlacesBefore, 456 PlacesAfterwards, 699 TransitionsBefore, 699 TransitionsAfterwards, 366 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 540.5ms, 458 PlacesBefore, 458 PlacesAfterwards, 720 TransitionsBefore, 720 TransitionsAfterwards, 380 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 492.8ms, 462 PlacesBefore, 460 PlacesAfterwards, 726 TransitionsBefore, 726 TransitionsAfterwards, 386 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 505.5ms, 461 PlacesBefore, 461 PlacesAfterwards, 740 TransitionsBefore, 740 TransitionsAfterwards, 382 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 497.4ms, 468 PlacesBefore, 467 PlacesAfterwards, 748 TransitionsBefore, 748 TransitionsAfterwards, 376 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 570.0ms, 480 PlacesBefore, 480 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 384 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 561.1ms, 499 PlacesBefore, 497 PlacesAfterwards, 775 TransitionsBefore, 775 TransitionsAfterwards, 384 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 693.0ms, 498 PlacesBefore, 496 PlacesAfterwards, 779 TransitionsBefore, 779 TransitionsAfterwards, 378 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 636.9ms, 524 PlacesBefore, 521 PlacesAfterwards, 862 TransitionsBefore, 862 TransitionsAfterwards, 408 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 763.8ms, 537 PlacesBefore, 537 PlacesAfterwards, 945 TransitionsBefore, 945 TransitionsAfterwards, 470 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 779.7ms, 551 PlacesBefore, 551 PlacesAfterwards, 976 TransitionsBefore, 976 TransitionsAfterwards, 500 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 905.4ms, 580 PlacesBefore, 579 PlacesAfterwards, 1061 TransitionsBefore, 1061 TransitionsAfterwards, 558 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 1049.2ms, 591 PlacesBefore, 591 PlacesAfterwards, 1087 TransitionsBefore, 1087 TransitionsAfterwards, 570 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 1254.0ms, 628 PlacesBefore, 628 PlacesAfterwards, 1212 TransitionsBefore, 1212 TransitionsAfterwards, 626 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 1332.4ms, 634 PlacesBefore, 631 PlacesAfterwards, 1266 TransitionsBefore, 1266 TransitionsAfterwards, 644 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 1331.7ms, 639 PlacesBefore, 639 PlacesAfterwards, 1268 TransitionsBefore, 1268 TransitionsAfterwards, 660 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 1461.0ms, 636 PlacesBefore, 636 PlacesAfterwards, 1361 TransitionsBefore, 1361 TransitionsAfterwards, 768 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 1698.3ms, 662 PlacesBefore, 661 PlacesAfterwards, 1440 TransitionsBefore, 1440 TransitionsAfterwards, 818 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 1735.1ms, 690 PlacesBefore, 690 PlacesAfterwards, 1469 TransitionsBefore, 1469 TransitionsAfterwards, 832 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 2170.0ms, 704 PlacesBefore, 704 PlacesAfterwards, 1556 TransitionsBefore, 1556 TransitionsAfterwards, 896 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 2160.1ms, 718 PlacesBefore, 718 PlacesAfterwards, 1563 TransitionsBefore, 1563 TransitionsAfterwards, 896 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 2187.4ms, 729 PlacesBefore, 729 PlacesAfterwards, 1592 TransitionsBefore, 1592 TransitionsAfterwards, 912 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): 16, Positive cache size: 16, Positive conditional cache size: 16, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2552.7ms, 751 PlacesBefore, 751 PlacesAfterwards, 1723 TransitionsBefore, 1723 TransitionsAfterwards, 1024 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 3102.6ms, 764 PlacesBefore, 764 PlacesAfterwards, 1817 TransitionsBefore, 1817 TransitionsAfterwards, 1062 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 3310.3ms, 776 PlacesBefore, 774 PlacesAfterwards, 1818 TransitionsBefore, 1818 TransitionsAfterwards, 1062 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 3317.1ms, 786 PlacesBefore, 784 PlacesAfterwards, 1822 TransitionsBefore, 1822 TransitionsAfterwards, 1064 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 3233.3ms, 804 PlacesBefore, 803 PlacesAfterwards, 1881 TransitionsBefore, 1881 TransitionsAfterwards, 1084 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 3504.3ms, 818 PlacesBefore, 816 PlacesAfterwards, 1902 TransitionsBefore, 1902 TransitionsAfterwards, 1084 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 3596.1ms, 821 PlacesBefore, 821 PlacesAfterwards, 1946 TransitionsBefore, 1946 TransitionsAfterwards, 1120 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 3598.7ms, 838 PlacesBefore, 838 PlacesAfterwards, 2003 TransitionsBefore, 2003 TransitionsAfterwards, 1160 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 4468.9ms, 849 PlacesBefore, 849 PlacesAfterwards, 2106 TransitionsBefore, 2106 TransitionsAfterwards, 1202 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 4540.1ms, 869 PlacesBefore, 867 PlacesAfterwards, 2244 TransitionsBefore, 2244 TransitionsAfterwards, 1252 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 5315.8ms, 882 PlacesBefore, 881 PlacesAfterwards, 2286 TransitionsBefore, 2286 TransitionsAfterwards, 1262 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 4555.8ms, 886 PlacesBefore, 885 PlacesAfterwards, 2284 TransitionsBefore, 2284 TransitionsAfterwards, 1258 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 4991.6ms, 894 PlacesBefore, 893 PlacesAfterwards, 2307 TransitionsBefore, 2307 TransitionsAfterwards, 1272 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 4864.7ms, 901 PlacesBefore, 900 PlacesAfterwards, 2320 TransitionsBefore, 2320 TransitionsAfterwards, 1276 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 4857.8ms, 904 PlacesBefore, 903 PlacesAfterwards, 2320 TransitionsBefore, 2320 TransitionsAfterwards, 1276 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 4917.7ms, 912 PlacesBefore, 911 PlacesAfterwards, 2329 TransitionsBefore, 2329 TransitionsAfterwards, 1282 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 5283.9ms, 923 PlacesBefore, 921 PlacesAfterwards, 2496 TransitionsBefore, 2496 TransitionsAfterwards, 1372 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 6261.3ms, 932 PlacesBefore, 931 PlacesAfterwards, 2550 TransitionsBefore, 2550 TransitionsAfterwards, 1406 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 6105.6ms, 936 PlacesBefore, 935 PlacesAfterwards, 2566 TransitionsBefore, 2566 TransitionsAfterwards, 1412 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 5947.9ms, 966 PlacesBefore, 963 PlacesAfterwards, 2603 TransitionsBefore, 2603 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 5765.4ms, 944 PlacesBefore, 942 PlacesAfterwards, 2624 TransitionsBefore, 2624 TransitionsAfterwards, 1456 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 6055.2ms, 949 PlacesBefore, 949 PlacesAfterwards, 2673 TransitionsBefore, 2673 TransitionsAfterwards, 1504 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): 16, Positive cache size: 16, Positive conditional cache size: 16, 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: 6532.7ms, 950 PlacesBefore, 949 PlacesAfterwards, 2672 TransitionsBefore, 2672 TransitionsAfterwards, 1504 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): 16, Positive cache size: 16, Positive conditional cache size: 16, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 64). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 968 places, 2781 transitions, 135277 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 968 places, 2781 transitions, 135277 flow,while PetriNetUnfolder was constructing finite prefix that currently has 46480 conditions, 1919 events (704/1918 cut-off events. For 429299/429299 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 21108 event pairs, 0 based on Foata normal form. 0/2597 useless extension candidates. Maximal degree in co-relation 46157. Up to 522 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 18.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 815989.3ms, OverallIterations: 108, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 634906.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 198.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 770 SDtfs, 1980 SDslu, 1127 SDs, 0 SdLazy, 13862 SolverSat, 1231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7832.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2845 GetRequests, 1015 SyntacticMatches, 92 SemanticMatches, 1738 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6474 ImplicationChecksByTransitivity, 17817.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=135277occurred in iteration=108, InterpolantAutomatonStates: 1501, 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: 375.0ms SsaConstructionTime, 1342.5ms SatisfiabilityAnalysisTime, 16521.7ms InterpolantComputationTime, 2822 NumberOfCodeBlocks, 2822 NumberOfCodeBlocksAsserted, 320 NumberOfCheckSat, 2615 ConstructedInterpolants, 0 QuantifiedInterpolants, 14017 SizeOfPredicates, 198 NumberOfNonLiveVariables, 5692 ConjunctsInSsa, 1176 ConjunctsInUnsatCore, 207 InterpolantComputations, 10 PerfectInterpolantSequences, 399/1208 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